S. Raj

B. Manns, D. Exner, S. Raj, 2020, Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology.

Renal Impairment of Pure Autonomic Failure

A. Gamboa, L. Okamoto, S. Raj, 2009, Hypertension.

Kidney Renal Impairment of Pure Autonomic Failure

A. Gamboa, L. Okamoto, S. Raj, 2009 .

Canadian Cardiovascular Society Clinical Practice Update on the Assessment and Management of Syncope.

C. Morillo, R. Sandhu, A. Krahn, 2020, The Canadian journal of cardiology.

Propranolol Decreases Tachycardia and Improves Symptoms in the Postural Tachycardia Syndrome: Less Is More

W. Dupont, S. Raj, S. Paranjape, 2009, Circulation.

Distal sudomotor findings in postural tachycardia syndrome

Lily Wang, A. Diedrich, A. Peltier, 2010, Clinical Autonomic Research.

Autonomic function testing in the COVID-19 pandemic: an American Autonomic Society position statement

W. Singer, A. Peltier, V. Claydon, 2020, Clinical Autonomic Research.

The recommendations of a consensus panel for the screening, diagnosis, and treatment of neurogenic orthostatic hypotension and associated supine hypertension

R. Freeman, S. Isaacson, P. Low, 2017, Journal of Neurology.

Postural orthostatic tachycardia syndrome is associated with significant employment and economic loss

A. Diedrich, A. Peltier, A. Gamboa, 2021, Journal of internal medicine.

Nebivolol, But Not Metoprolol, Lowers Blood Pressure in Nitric Oxide–Sensitive Human Hypertension

Leena Choi, A. Gamboa, L. Okamoto, 2014, Hypertension.

Real-world droxidopa or midodrine treatment persistence in patients with neurogenic orthostatic hypotension or orthostatic hypotension

S. Raj, K. Jackson, S. Kymes, 2020, Autonomic Neuroscience.

A Cost-Utility Analysis of the Syncope: Pacing or Recording in The Later Years (SPRITELY) Trial

C. Morillo, E. Spackman, M. Talajic, 2022, CJC open.

Synergistic Pressor Effect of Atomoxetine and Pyridostigmine in Patients With Neurogenic Orthostatic Hypotension

A. Diedrich, A. Gamboa, L. Okamoto, 2019, Hypertension.

Efficacy of Servo-Controlled Splanchnic Venous Compression in the Treatment of Orthostatic Hypotension: A Randomized Comparison With Midodrine

Jonathan S. Whitfield, A. Diedrich, F. Baudenbacher, 2016, Hypertension.

A cross-sectional study contrasting olfactory function in autonomic disorders

A. Peltier, S. Raj, I. Biaggioni, 2011, Neurology.

The hemodynamic and neurohumoral phenotype of postural tachycardia syndrome

S. Raj, D. Robertson, P. Harris, 2007, Neurology.

Remote Monitoring of Cardiovascular Implantable Electronic Devices in Canada: Survey of Patients and Device Health Care Professionals

I. Nault, A. Gillis, S. Doucette, 2020, CJC open.

Excessive Nitric Oxide Function and Blood Pressure Regulation in Patients With Autonomic Failure

A. Diedrich, A. Gamboa, S. Raj, 2008, Hypertension.

The beat goes on--driven by a cardiac calcium clock?

B. Knollmann, S. Raj, 2008, Heart rhythm.

Implantable cardioverter-defibrillators in hypertrophic cardiomyopathy.

L. Mitchell, S. Raj, R. Sheldon, 2000, The New England journal of medicine.

Functional optical coherence tomography at altitude: retinal microvascular perfusion and retinal thickness at 3,800 meters

Richard J. A. Wilson, C. Rickards, S. Raj, 2022, Journal of applied physiology.

Priorities for emergency department syncope research.

I. Stiell, W. Shen, M. Brignole, 2014, Annals of emergency medicine.

Safety of in-hospital insertable cardiac monitor procedures performed outside the traditional settings: results from the Reveal LINQ in-office 2 international study

P. Sanders, S. Raj, M. Sohail, 2019, BMC Cardiovascular Disorders.

Angiotensin II, Independent of Plasma Renin Activity, Contributes to the Hypertension of Autonomic Failure

A. Gamboa, L. Okamoto, Amy C. Arnold, 2013, Hypertension.

Vasovagal syncope in 2016: the current state of the faint

S. Raj, R. Sheldon, D. Chew, 2016 .

Frequency of injuries associated with syncope in the prevention of syncope trials.

S. Raj, R. Sheldon, P. Pournazari, 2020, Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology.

Postural orthostatic tachycardia syndrome (POTS): Priorities for POTS care and research from a 2019 National Institutes of Health Expert Consensus Meeting - Part 2

R. Freeman, B. Grubb, D. Goldstein, 2021, Autonomic Neuroscience.

Acute hemodynamic effects of a selective serotonin reuptake inhibitor in postural tachycardia syndrome: A randomized, crossover trial

Philip L. Mar, W. Dupont, S. Raj, 2014, Journal of psychopharmacology.

Hyperadrenergic Postural Tachycardia Syndrome in Mast Cell Activation Disorders

S. Raj, I. Biaggioni, P. Harris, 2005, Hypertension.

Postural tachycardia syndrome – Diagnosis, physiology, and prognosis

Amy C. Arnold, S. Raj, J. Ng, 2018, Autonomic Neuroscience.

Desmopressin acutely decreases tachycardia and improves symptoms in the postural tachycardia syndrome.

W. Dupont, S. Raj, S. Paranjape, 2012, Heart rhythm.

Autoimmune Basis for Postural Tachycardia Syndrome

Hongliang Li, L. Okamoto, S. Raj, 2014, Journal of the American Heart Association.

Diagnosing postural tachycardia syndrome: comparison of tilt testing compared with standing haemodynamics.

W. Dupont, A. Diedrich, S. Raj, 2013, Clinical science.

Hemodynamic Profiles and Tolerability of Modafinil in the Treatment of Postural Tachycardia Syndrome: A Randomized, Placebo-Controlled Trial

Philip L. Mar, W. Dupont, Amy C. Arnold, 2014, Journal of clinical psychopharmacology.

Letter regarding article by Adamson et al, "Continuous autonomic assessment in patients with symptomatic heart failure: prognostic value of heart rate variability measured by an implanted cardiac resynchronization device".

S. Raj, R. Sheldon, D. Roach, 2005, Circulation.

Coenzyme Q(10) and congestive heart failure: what is the verdict?

S. Verma, R. Weisel, S. Raj, 2002, The Canadian journal of cardiology.

Evaluating and managing postural tachycardia syndrome

S. Raj, R. Sheldon, D. Chew, 2019, Cleveland Clinic Journal of Medicine.

Blood volume perturbations in the postural tachycardia syndrome.

S. Raj, D. Robertson, 2007, The American journal of the medical sciences.

Orthostatic hypotension for the cardiologist

Philip L. Mar, S. Raj, P. Mar, 2018, Current opinion in cardiology.

Twelve-Year Temporal Trends in Ambulance Use for Patients Hospitalized With a Primary Diagnosis of Syncope in Canada

R. Sandhu, P. Kaul, S. Raj, 2019, CJC open.

Syncope clinical management in the emergency department: a consensus from the first international workshop on syncope risk stratification in the emergency department.

C. Morillo, I. Stiell, W. Shen, 2016, European heart journal.

Syncope and mortality: the critical component of the pathway or an innocent bystander?

S. Raj, 2014, Heart rhythm.

Gynecological and menstrual disorders in women with vasovagal syncope

C. Morillo, A. Krahn, M. Talajic, 2013, Clinical Autonomic Research.

Vagal and Sympathetic Function in Neuropathic Postural Tachycardia Syndrome

A. Diedrich, G. Jacob, S. Raj, 2019, Hypertension.

Non-Pharmacological and Pharmacological Therapies in Vasovagal Syncope: Current Status

S. Raj, P. Pournazari, 2020, Syncope.

A proof of principle study of atomoxetine for the prevention of vasovagal syncope: the Prevention of Syncope Trial VI.

S. Raj, R. Sheldon, T. Kus, 2019, Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology.

Norepinephrine Transport Inhibition for Treatment of Vasovagal Syncope

S. Raj, R. Sheldon, D. Ritchie, 2013, Journal of cardiovascular electrophysiology.

Autonomic Dysfunction in Cardiology: Pathophysiology, Investigation, and Management.

Amy C. Arnold, S. Raj, J. Ng, 2017, The Canadian journal of cardiology.

Non-invasive management of vasovagal syncope

S. Raj, S. Coffin, 2014, Autonomic Neuroscience.

Sinus Tachycardia: a Multidisciplinary Expert Focused Review

M. Chung, J. Goldberger, B. Grubb, 2022, Circulation. Arrhythmia and electrophysiology.

A Systematic Review of the Risk of Motor Vehicle Collision in Patients With Syncope.

R. Sandhu, M. Rapoport, A. Krahn, 2020, The Canadian journal of cardiology.

Sleep disturbances and diminished quality of life in postural tachycardia syndrome.

B. Malow, S. Raj, I. Biaggioni, 2011, Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine.

Dysautonomia: Perioperative Implications

J. Barwise, A. Diedrich, J. Fessel, 2012, Anesthesiology.

Vasovagal Syncope Needs the "Expert Touch".

S. Raj, R. Sheldon, 2022, JACC. Clinical electrophysiology.

Understanding the placebo effect in clinical trials for postural tachycardia syndrome

W. Dupont, Amy C. Arnold, S. Raj, 2014, Clinical and experimental pharmacology & physiology.

Diurnal variability in orthostatic tachycardia: implications for the postural tachycardia syndrome.

S. Raj, I. Biaggioni, D. Robertson, 2012, Clinical science.

Portal Osmopressor Mechanism Linked to Transient Receptor Potential Vanilloid 4 and Blood Pressure Control

A. Diedrich, J. Jordan, S. Raj, 2010, Hypertension.

Differential diagnosis of orthostatic hypotension

S. Raj, D. Chew, L. Lei, 2020, Autonomic Neuroscience.

Synergistic Effect of Norepinephrine Transporter Blockade and &agr;-2 Antagonism on Blood Pressure in Autonomic Failure

A. Diedrich, Leena Choi, A. Gamboa, 2012, Hypertension.

Comparative Efficacy of Yohimbine Against Pyridostigmine for the Treatment of Orthostatic Hypotension in Autonomic Failure

A. Diedrich, A. Gamboa, L. Okamoto, 2010, Hypertension.

Precordial QT Dispersion does not Predict Inducibility of Ventricular Tachyarrhythmias at Post-Revascularization Electrophysiologic Study

D. Wyse, L. Mitchell, H. Duff, 2002, Journal of Interventional Cardiac Electrophysiology.

Randomized Controlled Trial of Fixed Rate Versus Rate Responsive Pacing After Radiofrequency Atrioventricular Junction Ablation:

D. Wyse, L. Mitchell, H. Duff, 2003 .

Paced QT Dispersion and QT Morphology After Radiofrequency Atrioventricular Junction Ablation:

D. Wyse, L. Mitchell, H. Duff, 2003, Pacing and clinical electrophysiology : PACE.

Biomarkers in orthostatic hypotension: The answer or just more questions?

S. Raj, 2018, International journal of cardiology.

Long-term treatment with rituximab of autoimmune autonomic ganglionopathy in a patient with lymphoma.

A. Peltier, S. Raj, I. Biaggioni, 2011, Archives of neurology.

Isolated sympathetic failure with autoimmune autonomic ganglionopathy.

P. Sandroni, S. Raj, S. Pittock, 2010, Pediatric neurology.

Coexistent autoimmune autonomic ganglionopathy and myasthenia gravis associated with non–small‐cell lung cancer

A. Peltier, S. Raj, I. Biaggioni, 2010, Muscle & nerve.

Head-up Tilt-Table Test

S. Raj, R. Sheldon, 2012 .

Too sympathetic? Role of sympathoexcitation in Takotsubo cardiomyopathy.

S. Raj, 2010, Heart rhythm.

Sleep syncope—A systematic review

D. Lorenzetti, S. Raj, R. Sheldon, 2022, Frontiers in Cardiovascular Medicine.

Current approach to the treatment of vasovagal syncope in adults

S. Raj, R. Sheldon, Tarek Hatoum, 2022, Internal and Emergency Medicine.

Clinician Needs and Perceptions about Cardioneuroablation for Recurrent Vasovagal Syncope: an International Clinician Survey.

C. Morillo, S. Raj, R. Sheldon, 2021, Heart rhythm.

Low-blood pressure phenotype underpins the tendency to reflex syncope

C. Morillo, G. Parati, M. Brignole, 2021, Journal of hypertension.

Toward a Common Definition of Syncope in Children and Adults.

J. G. van Dijk, R. Sutton, S. Raj, 2020, Pediatric emergency care.

Seizures vs Syncope: Distinguishing Features for the Clinic

S. Raj, R. Sheldon, 2020 .

A Systematic Review of Noninvasive Electrocardiogram Monitoring Devices for the Evaluation of Suspected Cardiovascular Syncope

W. Shen, R. Furlan, G. Casazza, 2019, Journal of Medical Devices.

Non-Pharmacological and Pharmacological Management of Cardiac Dysautonomia Syndromes.

R. Sandhu, S. Raj, R. Sheldon, 2019 .

Use of droxidopa for the long-term treatment of neurogenic orthostatic hypotension

S. Raj, L. Hewitt, 2018, European heart journal.

Hyperinsulinemia and Insulin Resistance in Dopamine &bgr;-Hydroxylase Deficiency

N. Abumrad, Amy C. Arnold, S. Raj, 2017, The Journal of clinical endocrinology and metabolism.

Valsalva Maneuver in Pulmonary Arterial Hypertension: Susceptibility to Syncope and Autonomic Dysfunction.

Philip L. Mar, A. Diedrich, J. Loyd, 2016, Chest.

A Population-Based Study of Adherence to Guideline Recommendations and Appropriate-Use Criteria for Implantable Cardioverter Defibrillators.

R. Sandhu, S. Kimber, D. Exner, 2018, The Canadian journal of cardiology.

Inspiratory Resistance Improves Postural Tachycardia: A Randomized Study

W. Dupont, W. D. Plummer, A. Diedrich, 2015, Circulation. Arrhythmia and electrophysiology.

Long-COVID postural tachycardia syndrome: an American Autonomic Society statement

A. Peltier, V. Claydon, Amy C. Arnold, 2021, Clinical Autonomic Research.

Role of pacemakers in treating neurocardiogenic syncope

S. Raj, R. Sheldon, 2003, Current opinion in cardiology.

Permanent pacing for recurrent vasovagal syncope: New answers or just more questions?

J. Mandrola, S. Raj, T. Aksu, 2021, Journal of electrocardiology.

Sleep Syncope: Treatment with a Permanent Pacemaker

S. Raj, Jason A Rytlewski, John T. Lee, 2012, Pacing and clinical electrophysiology : PACE.

Rationale for the prevention of syncope trial IV: assessment of midodrine

S. Raj, R. Sheldon, P. Faris, 2012, Clinical Autonomic Research.

Outcome of patients with dual-chamber pacemakers implanted for the prevention of neurally mediated syncope.

S. Raj, R. Sheldon, M. Koshman, 2003, The American journal of cardiology.

At the bedside: syncope

S. Raj, R. Sheldon, 2001 .

Assessment of dynamic cardiac repolarization and contractility in patients with hypertrophic cardiomyopathy.

B. Knollmann, S. Raj, S. Paranjape, 2021, PloS one.

Serum oestradiol levels and risk of adverse cardiovascular events associated with gender-affirming oestrogen therapy: a protocol for a systematic review and meta-analysis

S. Raj, P. Ronksley, Sofia B. Ahmed, 2022, BMJ Open.

2017 ACC/AHA/HRS Guideline for the Evaluation and Management of Patients With Syncope: Executive Summary: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society.

M. Link, R. Sandhu, C. Yancy, 2017, Journal of the American College of Cardiology.

Neuronal and hormonal perturbations in postural tachycardia syndrome

Philip L. Mar, S. Raj, P. Mar, 2014, Front. Physiol..

Norepinephrine Transporter Blockade With Atomoxetine Induces Hypertension in Patients With Impaired Autonomic Function

A. Diedrich, Leena Choi, A. Gamboa, 2007, Hypertension.

Neurally Mediated Syncope

S. Raj, 2012 .

Is cardiac output the key to vasovagal syncope? A reevaluation of putative pathophysiology.

S. Raj, 2008, Heart rhythm.

Acetylcholinesterase Inhibition Improves Tachycardia in Postural Tachycardia Syndrome

S. Raj, I. Biaggioni, D. Robertson, 2005, Circulation.

66 – Neurally Mediated Syncope

S. Raj, 2004 .

Pathophysiology and Classification of PoTS

S. Raj, M. Lloyd, 2020 .

Confounders of vasovagal syncope: postural tachycardia syndrome.

S. Raj, Victor C. Nwazue, 2013, Cardiology Clinics.

Postural Tachycardia Syndrome (POTS) C liniCian U pdate

S. Raj, 2013 .

Confounders of Vasovagal Syncope Tachycardia Syndrome

S. Raj, Victor C. Nwazue, 2013 .

Mechanisms of Postural Tachycardia Syndrome

S. Raj, 2012 .

Water Ingestion in Postural Orthostatic Tachycardia Syndrome: A Feasible Treatment Option?

D. Cannom, S. Raj, Khalil Kanjwal, 2019, The Journal of innovations in cardiac rhythm management.

Objective Sleep Assessments in Patients with Postural Tachycardia Syndrome using Overnight Polysomnograms.

B. Malow, A. Diedrich, A. Peltier, 2016, Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine.

Tilt Table Studies

S. Raj, 2012 .

Can we diagnose, treat or even understand neurally mediated syncope?

A. Diedrich, S. Raj, I. Biaggioni, 2005, Clinical science.

Resistance to local anesthesia in people with the Ehlers-Danlos Syndromes presenting for dental surgery

S. Raj, C. Francomano, E. Schaefer, 2019, Journal of dental anesthesia and pain medicine.

Beta-blockers in syncope: the jury is still out.

S. Connolly, S. Raj, R. Sheldon, 2001, Journal of the American College of Cardiology.

Impaired Endothelial Function in Patients With Postural Tachycardia Syndrome.

A. Gamboa, L. Okamoto, S. Raj, 2021, Hypertension.

Treating syncope without drugs: Standing still, exercising hard, or simply the “expert's touch”?

S. Raj, R. Sheldon, 2022, Journal of cardiovascular electrophysiology.

Management of supine hypertension in patients with neurogenic orthostatic hypotension: scientific statement of the American Autonomic Society, European Federation of Autonomic Societies, and the European Society of Hypertension.

G. Mancia, G. Grassi, J. Tank, 2019, Journal of hypertension.

Rationale for the Assessment of Metoprolol in the Prevention of Vasovagal Syncope in Aging Subjects Trial (POST5).

C. Morillo, B. Manns, A. Krahn, 2016, American heart journal.

Sinus Tachycardias: Inappropriate Sinus Tachycardia and Postural Tachycardia Syndrome

S. Raj, B. Shaw, J. Ng, 2014 .

Prolonged QT Interval in Cirrhosis: Twisting Time?

S. Raj, B. Vandenberk, Samuel S. Lee, 2022, Gut and liver.

Remote-only monitoring for patients with cardiac implantable electronic devices: a before-and-after pilot study

J. Healey, I. Nault, R. Yee, 2021, CMAJ open.

The Effect of a Neuronal Nitric Oxide Synthase Inhibitor on Neurovascular Regulation in Humans

P. Chowienczyk, S. Raj, A. Shah, 2022, Circulation research.

Overactive bladder and autonomic dysfunction: Lower urinary tract symptoms in females with postural tachycardia syndrome

R. Dmochowski, S. Raj, I. Biaggioni, 2017, Neurourology and urodynamics.

Case Report: Marathon runner with severe autonomic failure

S. Raj, E. Garland, D. Robertson, 2005, The Lancet.

Cognitive dysfunction in postural tachycardia syndrome.

W. Dupont, Amy C. Arnold, S. Raj, 2015, Clinical science.

Reduced quality of life and greater psychological distress in vasovagal syncope patients compared to healthy individuals

S. Raj, R. Sheldon, V. Raj, 2018, Pacing and clinical electrophysiology : PACE.

Orthostatic hypotension-related hospitalizations in the United States.

S. Raj, I. Biaggioni, Carlos G. Grijalva, 2007, The American journal of medicine.

Optimal diagnostic thresholds for diagnosis of orthostatic hypotension with a ‘sit-to-stand test’

W. Dupont, W. D. Plummer, A. Diedrich, 2017, Journal of hypertension.

Consensus statement on the definition of orthostatic hypotension, neurally mediated syncope and the postural tachycardia syndrome

Jens Jordan, David G. Benditt, Pietro Cortelli, 2011, Clinical Autonomic Research.

Postural Tachycardia Syndrome: Beyond Orthostatic Intolerance

S. Raj, E. Garland, Jorge E. Celedonio, 2015, Current Neurology and Neuroscience Reports.

Postural Tachycardia Syndrome (POTS)

S. Raj, 2013, Circulation.

Renin-Aldosterone Paradox and Perturbed Blood Volume Regulation Underlying Postural Tachycardia Syndrome

S. Raj, S. Paranjape, I. Biaggioni, 2005, Circulation.

Human papillomavirus (HPV) vaccine and autonomic disorders: a position statement from the American Autonomic Society

R. Freeman, M. Chapleau, D. Goldstein, 2019, Clinical Autonomic Research.

Status of Early-Career Academic Cardiology: A Global Perspective.

D. Mann, M. B. Turner, E. Spatz, 2017, Journal of the American College of Cardiology.

Pharmacological treatments of postural hypotension

M. Benatar, S. Raj, H. Lahrmann, 2010 .

Consensus statement on the definition of orthostatic hypotension, neurally mediated syncope and the postural tachycardia syndrome

R. Freeman, L. Lipsitz, L. Lipsitz, 2011, Autonomic Neuroscience.

Postural Orthostatic Tachycardia Syndrome: Mechanisms and New Therapies.

Philip L. Mar, S. Raj, 2020, Annual review of medicine.

The face of postural tachycardia syndrome – insights from a large cross‐sectional online community‐based survey

A. Diedrich, A. Gamboa, L. Okamoto, 2019, Journal of internal medicine.

Review article: diagnosis, pathophysiology and management of atrial fibrillation in cirrhosis and portal hypertension

S. Raj, B. Vandenberk, Hongqun Liu, 2022, Alimentary pharmacology & therapeutics.

Salt supplementation in the management of orthostatic intolerance: Vasovagal syncope and postural orthostatic tachycardia syndrome

V. Claydon, S. Raj, E. Williams, 2021, Autonomic Neuroscience.

2015 heart rhythm society expert consensus statement on the diagnosis and treatment of postural tachycardia syndrome, inappropriate sinus tachycardia, and vasovagal syncope.

Robert S Sheldon, Richard Sutton, Hugh Calkins, 2015, Heart rhythm.

Combination ergotamine and caffeine improves seated blood pressure and presyncopal symptoms in autonomic failure

A. Diedrich, Leena Choi, A. Gamboa, 2014, Front. Physiol..

2017 ACC/AHA/HRS guideline for the evaluation and management of patients with syncope: A report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society.

Daniel E Forman, Robert S Sheldon, Brian Olshansky, 2017, Heart rhythm.

2017 ACC/AHA/HRS Guideline for the Evaluation and Management of Patients With Syncope: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society.

M. Link, R. Sandhu, C. Yancy, 2017, Circulation.

Randomized Pragmatic Trial of Pacemaker Versus Implantable Cardiac Monitor in Syncope and Bifascicular Block.

C. Morillo, B. Manns, M. Brignole, 2021, JACC. Clinical electrophysiology.

Deglutition syncope: does fluid temperature matter?

S. Raj, A. Pandey, Arvindh Kanagasundaram, 2014, Journal of the American College of Cardiology.

Cardiovascular Effects of Noncardiovascular Drugs

D. Roden, C. Stein, S. Raj, 2009, Circulation.

Splanchnic Venous Compression Enhances the Effects of ß‐Blockade in the Treatment of Postural Tachycardia Syndrome

A. Diedrich, A. Peltier, A. Gamboa, 2020, Journal of the American Heart Association.

Mineralocorticoid Receptor Activation Contributes to the Supine Hypertension of Autonomic Failure

A. Gamboa, L. Okamoto, Amy C. Arnold, 2016, Hypertension.

Efficacy of Atomoxetine Versus Midodrine for the Treatment of Orthostatic Hypotension in Autonomic Failure

A. Diedrich, Leena Choi, A. Gamboa, 2014, Hypertension.

Clonidine for the Treatment of Supine Hypertension and Pressure Natriuresis in Autonomic Failure

A. Diedrich, A. Gamboa, S. Raj, 2006, Hypertension.

Norepinephrine Deficiency Is Caused by Combined Abnormal mRNA Processing and Defective Protein Trafficking of Dopamine β-Hydroxylase*

S. Raj, I. Biaggioni, D. Robertson, 2011, The Journal of Biological Chemistry.

Orthostatic hypotension: managing a difficult problem

S. Raj, Pearl K Jones, Brett H Shaw, 2015, Expert review of cardiovascular therapy.

Correction to 2017 ACC/AHA/HRS Guideline for the Evaluation and Management of Patients With Syncope: Executive Summary: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society.

M. Link, R. Sandhu, C. Yancy, 2017, Circulation.

2017 ACC/AHA/HRS guideline for the evaluation and management of patients with syncope: Executive summary: A report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society.

M. Link, R. Sandhu, C. Yancy, 2017, Heart rhythm.

M. Link, R. Sandhu, C. Yancy, 2017, Circulation.

SHC2 gene copy number in multiple system atrophy (MSA)

Marcus C. Ferguson, J. Phillips, R. Hamid, 2014, Clinical Autonomic Research.

A Population-Based Study of Device Eligibility, Use, and Reasons for Nonimplantation in Patients at Heart Function Clinics

R. Sandhu, D. Exner, N. Fine, 2019, CJC open.

Assessing physician knowledge regarding indications for a primary prevention implantable defibrillator and potential barriers for referral

R. Sandhu, D. Exner, S. Raj, 2017, Journal of cardiovascular electrophysiology.

Arrhythmogenic Munchausen syndrome culminating in caffeine-induced ventricular tachycardia.

S. Raj, Pablo J. Saavedra, J. Vaglio, 2011, Journal of electrocardiology.

M. Link, R. Sandhu, C. Yancy, 2017, Journal of the American College of Cardiology.

Sympathetic activation is associated with increased IL-6, but not CRP in the absence of obesity: lessons from postural tachycardia syndrome and obesity.

A. Diedrich, A. Gamboa, L. Okamoto, 2015, American journal of physiology. Heart and circulatory physiology.

Effect of High Dietary Sodium Intake in Patients With Postural Tachycardia Syndrome.

W. Dupont, A. Diedrich, A. Gamboa, 2021, Journal of the American College of Cardiology.

Syncope and silent hypoxemia in COVID-19: Implications for the autonomic field

S. Raj, A. Incognito, J. Baker, 2021, Autonomic Neuroscience.

Psychiatric profile and attention deficits in postural tachycardia syndrome

R. Blakely, S. Raj, I. Biaggioni, 2008, Journal of Neurology, Neurosurgery, and Psychiatry.

Recovery Following Propofol‐Associated Brugada Electrocardiogram

S. Raj, Elias V. Haddad, Justin B. Weiner, 2010, Pacing and clinical electrophysiology : PACE.

The Postural Tachycardia Syndrome (POTS): Pathophysiology, Diagnosis & Management

S. Raj, Satish R Raj, 2006, Indian pacing and electrophysiology journal.

Human papillomavirus (HPV) vaccine and autonomic disorders: a position statement from the American Autonomic Society

R. Freeman, M. Chapleau, D. Goldstein, 2020, Autonomic Neuroscience.

Evaluation and Management of Dyspnea in Hypermobile Ehlers-Danlos Syndrome and Generalized Hypermobility Spectrum Disorder: Protocol for a Pilot and Feasibility Randomized Controlled Trial

D. Kumbhare, S. Raj, E. Huszti, 2022, JMIR research protocols.

Midodrine for the Prevention of Vasovagal Syncope

C. Morillo, A. Krahn, P. Faris, 2021, Annals of Internal Medicine.

Low-dose propranolol and exercise capacity in postural tachycardia syndrome

A. Diedrich, A. Gamboa, L. Okamoto, 2013, Neurology.

Influence of Climate on Emergency Department Visits for Syncope: Role of Air Temperature Variability

A. Porta, R. Furlan, A. Diedrich, 2011, PloS one.

Objective Hemodynamic Cardiovascular Autonomic Abnormalities in Post-Acute Sequelae of COVID-19

C. Morillo, S. Raj, R. Sheldon, 2022, Canadian Journal of Cardiology.

High-sodium diet does not worsen endothelial function in female patients with postural tachycardia syndrome

A. Diedrich, A. Gamboa, L. Okamoto, 2021, Clinical Autonomic Research.

Anti‐Müllerian hormone and vascular dysfunction in women with chronic kidney disease

J. Holroyd-Leduc, S. Raj, T. Anderson, 2022, Physiological reports.

Activity‐Responsive Pacing Produces Long‐Term Heart Rate Variability

Daniel E Roach, Robert S Sheldon, S. Raj, 2004, Journal of cardiovascular electrophysiology.

Residual sympathetic tone is associated with reduced insulin sensitivity in patients with autonomic failure

W. Dupont, A. Diedrich, A. Peltier, 2015, Clinical Autonomic Research.

Neurogenic hyperadrenergic orthostatic hypotension: a newly recognized variant of orthostatic hypotension in older adults with elevated norepinephrine (noradrenaline).

Philip L. Mar, A. Diedrich, S. Raj, 2015, Clinical science.

Acute volume loading and exercise capacity in postural tachycardia syndrome.

A. Diedrich, A. Gamboa, L. Okamoto, 2014, Journal of applied physiology.

Postural Tachycardia Syndrome and Inappropriate Sinus Tachycardia: Role of Autonomic Modulation and Sinus Node Automaticity

Italo Biaggioni, William D. Dupont, André Diedrich, 2014, Journal of the American Heart Association.

Nitric Oxide and Regulation of Heart Rate in Patients With Postural Tachycardia Syndrome and Healthy Subjects

A. Diedrich, A. Gamboa, L. Okamoto, 2013, Hypertension.

Altered Systemic Hemodynamic and Baroreflex Response to Angiotensin II in Postural Tachycardia Syndrome

W. Dupont, A. Diedrich, S. Raj, 2012, Circulation. Arrhythmia and electrophysiology.

Neurohumoral and haemodynamic profile in postural tachycardia and chronic fatigue syndromes

A. Diedrich, A. Peltier, A. Gamboa, 2011, Clinical science.

Special issue for the silver anniversary of Postural Tachycardia Syndrome

S. Raj, L. Stiles, 2018, Autonomic Neuroscience.

Randomized controlled trial of fixed rate versus rate responsive pacing after radiofrequency atrioventricular junction ablation: quality of life, ventricular refractoriness, and paced QT dispersion.

D. Wyse, L. Mitchell, H. Duff, 2003, Journal of cardiovascular electrophysiology.

Confounders of vasovagal syncope: orthostatic hypotension.

S. Raj, Victor C. Nwazue, 2013, Cardiology clinics.

Diagnostic Criteria for Postural Tachycardia Syndrome: Consideration of the Clinical Features Differentiating PoTS from Other Disorders of Orthostatic Intolerance

S. Raj, K. Bourne, M. Lloyd, 2020 .

Melatonin reduces tachycardia in postural tachycardia syndrome: a randomized, crossover trial.

W. Dupont, S. Raj, S. Paranjape, 2014, Cardiovascular therapeutics.

2023 HRS/EHRA/APHRS/LAHRS Expert Consensus Statement on Practical Management of the Remote Device Clinic

T. Glotzer, S. Boveda, N. Dagres, 2023, Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology.

Postural orthostatic tachycardia syndrome (POTS): State of the science and clinical care from a 2019 National Institutes of Health Expert Consensus Meeting - Part 1

R. Freeman, B. Grubb, D. Goldstein, 2021, Autonomic Neuroscience.

POTS May Be Underestimated in Post-COVID Assessments

S. Raj, M. Miglis, L. Stiles, 2022, Journal of the American College of Cardiology.

Diagnostic et traitement du syndrome de tachycardie orthostatique posturale

S. Raj, R. Sheldon, A. Fedorowski, 2022, Canadian Medical Association Journal.

Diagnosis and management of postural orthostatic tachycardia syndrome

S. Raj, R. Sheldon, A. Fedorowski, 2022, Canadian Medical Association Journal.

Compression Garment Reduces Orthostatic Tachycardia and Symptoms in Patients With Postural Orthostatic Tachycardia Syndrome.

J. Tyberg, D. Exner, S. Raj, 2021, Journal of the American College of Cardiology.

Pharmacotherapy for postural tachycardia syndrome

S. Raj, Amanda J. Miller, 2018, Autonomic Neuroscience.

Angiotensin II Type 1 Receptor Autoantibodies in Postural Tachycardia Syndrome

Hongliang Li, S. Raj, C. Aston, 2018, Journal of the American Heart Association.

Effects of Norepinephrine Reuptake Inhibition on Postural Tachycardia Syndrome

W. Dupont, S. Raj, I. Biaggioni, 2013, Journal of the American Heart Association.

Abnormalities of angiotensin regulation in postural tachycardia syndrome.

W. Dupont, S. Raj, I. Biaggioni, 2011, Heart rhythm.

Detection of G Protein–Coupled Receptor Autoantibodies in Postural Orthostatic Tachycardia Syndrome Using Standard Methodology

S. Raj, R. Sheldon, J. Nilsson, 2022, Circulation.

Gynecologic disorders and menstrual cycle lightheadedness in postural tachycardia syndrome

A. Al-Hendy, S. Raj, N. R. Keller, 2012, International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics.

Low blood pressure phenotype underpins the tendency to reflex syncope

C. Morillo, G. Parati, M. Brignole, 2020, medRxiv.

Row, row, row your way to treating postural tachycardia syndrome.

S. Raj, 2016, Heart rhythm.

Mechanisms and management of gastrointestinal symptoms in postural orthostatic tachycardia syndrome

Philip L. Mar, T. Abell, S. Raj, 2020, Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society.

Restless legs syndrome is increased in postural orthostatic tachycardia syndrome.

A. Walters, A. Peltier, L. Okamoto, 2020, Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine.

A functional cell-based bioassay for assessing adrenergic autoantibody activity in postural tachycardia syndrome

Hongliang Li, L. Okamoto, Amy C. Arnold, 2019, Journal of translational autoimmunity.

Ganglionic Acetylcholine Receptor Antibodies in Postural Tachycardia Syndrome.

L. Hynan, L. Okamoto, Amy C. Arnold, 2021, Neurology. Clinical practice.

The Active Stand and Tilt Tests

S. Raj, K. Bourne, M. Lloyd, 2020 .

Estimation of sleep disturbances using wrist actigraphy in patients with postural tachycardia syndrome

B. Malow, S. Raj, S. Paranjape, 2013, Autonomic Neuroscience.

Endovascular procedures for the treatment of autonomic dysfunction

V. Macefield, R. Freeman, C. Crandall, 2014, Clinical Autonomic Research.

Prevalence of ganglionic AChR antibodies in postural tachycardia syndrome (POTS) (P1.276)

L. Okamoto, S. Raj, S. Paranjape, 2015 .

Clinical challenges in the diagnosis and management of postural tachycardia syndrome

S. Raj, B. Shaw, P. Jones, 2016, Practical Neurology.

Do meals affect heart rate and symptoms in postural orthostatic tachycardia syndrome?

S. Raj, C. Shibao, L. Stiles, 2021, Clinical Autonomic Research.

Orthostatic Hypotension-Related Hospitalizations in the

S. Raj, I. Biaggioni, Carlos G. Grijalva, 2007 .

Effects of High Sodium Intake on Plasma Volume and Physical Fitness in Patients with Postural Tachycardia Syndrome and Healthy Females

A. Diedrich, A. Gamboa, L. Okamoto, 2015, Autonomic Neuroscience.

Remote Patient Monitoring: What Have We Learned and Where Are We Going?

S. Raj, B. Vandenberk, 2023, Current Cardiovascular Risk Reports.

Highlights in clinical autonomic neurosciences: Fainting and fainters — Who, why what to do when they show up in the emergency department?

S. Raj, 2010, Autonomic Neuroscience.

The Second Prevention of Syncope Trial (POST II)--a randomized clinical trial of fludrocortisone for the prevention of neurally mediated syncope: rationale and study design.

S. Raj, R. Sheldon, S. Rose, 2006, American heart journal.

Age, Sex, and Remote Monitoring Differences in Device Acceptance for Patients With Implanted Cardioverter Defibrillators in Canada

R. Sandhu, D. Exner, S. Sears, 2020, CJC open.

Differential Diagnosis of Vasovagal Syncope: Postural Orthostatic Tachycardia

S. Raj, E. Garland, 2014, Vasovagal Syncope.

Sodium Paradoxically Reduces the Gastropressor Response in Patients With Orthostatic Hypotension

J. Jordan, S. Raj, I. Biaggioni, 2006, Hypertension.

Pharmacological norepinephrine transporter inhibition for the prevention of vasovagal syncope in young and adult subjects: A systematic review and meta-analysis.

S. Raj, R. Sheldon, L. Lei, 2020, Heart rhythm.

Are small observational studies sufficient evidence for a recommendation of head-up sleeping in all patients with debilitating orthostatic hypotension? MacLean and Allen revisited after 70 years

S. Raj, W. Wieling, R. Thijs, 2009, Clinical Autonomic Research.

Management of Postural Tachycardia Syndrome, Inappropriate Sinus Tachycardia and Vasovagal Syncope.

S. Raj, R. Sheldon, 2016, Arrhythmia & electrophysiology review.

Syncope in a Working-Age Population: Recurrence Risk and Related Risk Factors

R. Furlan, G. Casazza, G. Costantino, 2019, Journal of clinical medicine.

Understanding vasovagal syncope: a role for sex and gender

S. Raj, R. Sheldon, Sofia B. Ahmed, 2020, Clinical Autonomic Research.

Abnormal Valsalva: Not Always Due to Heart Failure.

S. Raj, M. Lloyd, 2019, JACC. Heart failure.

What is the optimal orthostatic stress to diagnose orthostatic hypotension?

S. Raj, 2005, Clinical autonomic research : official journal of the Clinical Autonomic Research Society.

Atomoxetine for suppression of vasovagal syncope

R. Sandhu, S. Raj, R. Sheldon, 2022, Clinical Autonomic Research.

The Seventh Prevention of Syncope Trial (POST VII) - a randomized clinical trial of atomoxetine for the prevention of vasovagal syncope: Rationale and study design.

R. Sandhu, S. Raj, R. Sheldon, 2023, American heart journal.

Likelihood of injury due to vasovagal syncope: a systematic review and meta-analysis.

S. Raj, R. Sheldon, P. Teixeira, 2021, Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology.

MIDODRINE FOR THE PREVENTION OF VASOVAGAL SYNCOPE: A SYSTEMATIC REVIEW AND META-ANALYSIS

S. Raj, R. Sheldon, L. Lei, 2019, Canadian Journal of Cardiology.

Ictal Asystole and Ictal Syncope: Insights Into Clinical Management

W. Dupont, D. Darbar, B. Abou-Khalil, 2015, Circulation. Arrhythmia and electrophysiology.

Adrenal gland response to adrenocorticotropic hormone is intact in patients with postural orthostatic tachycardia syndrome

W. Dupont, A. Diedrich, L. Okamoto, 2023, Autonomic Neuroscience.

Symptoms of postural orthostatic tachycardia syndrome in pregnancy: a cross‐sectional, community‐based survey

A. Diedrich, A. Peltier, L. Okamoto, 2023, BJOG : an international journal of obstetrics and gynaecology.

Is there a relationship between hypocapnia and tachycardia in postural orthostatic tachycardia syndrome (POTS)? A systematic review

S. Raj, R. Sheldon, J. Baker, 2023, Clinical Autonomic Research.

Patients with Postural Orthostatic Tachycardia Syndrome have different experiences in Healthcare in Canada and USA.

A. Diedrich, L. Okamoto, S. Raj, 2021, The Canadian journal of cardiology.

Higher Quality Evidence to Guide Our Management of Postural Orthostatic Tachycardia Syndrome: A New Era?

S. Raj, R. Sheldon, 2021, Journal of the American College of Cardiology.

A comparison of health-related quality of life in autonomic disorders: postural tachycardia syndrome versus vasovagal syncope

L. Okamoto, Amy C. Arnold, S. Raj, 2021, Clinical Autonomic Research.

Was the diagnosis really postural orthostatic tachycardia syndrome?

S. Raj, K. Bourne, 2020, Cardiology in the Young.

Orthostatic Hypotension: A Practical Approach to Investigation and Management.

Amy C. Arnold, S. Raj, 2017, The Canadian journal of cardiology.

Stimulation of both type I and type II corticosteroid receptors blunts counterregulatory responses to subsequent hypoglycemia in healthy man.

A. Ertl, S. Raj, S. Davis, 2008, American journal of physiology. Endocrinology and metabolism.

Postural tachycardia syndrome and suicide: what we don’t know

S. Raj, V. Raj, 2017, Clinical Autonomic Research.

Quality of life improves in vasovagal syncope patients after clinical trial enrollment regardless of fainting in follow-up

D. Exner, S. Raj, R. Sheldon, 2019, Autonomic Neuroscience.

A PROOF OF PRINCIPLE STUDY OF ATOMOXETINE FOR THE PREVENTION OF VASOVAGAL SYNCOPE: POST 6

S. Raj, R. Sheldon, T. Kus, 2018, Canadian Journal of Cardiology.

How did the simple faint get so complicated? Syncope in 2014

S. Raj, 2014, Autonomic Neuroscience.

Ventilatory assistance improves exercise endurance in stable congestive heart failure.

S. Raj, H. Abdollah, D. O’Donnell, 1999, American journal of respiratory and critical care medicine.

2023 HRS/EHRA/APHRS/LAHRS Expert Consensus Statement on Practical Management of the Remote Device Clinic

T. Glotzer, S. Boveda, N. Dagres, 2023, Journal of arrhythmia.

Management of vasovagal syncope

S. Raj, Sevan Letourneau-Shesaf, B. Ballantyne, 2021, Autonomic Neuroscience.

Sympathetic nervous system alterations with HER2+ antagonism: an early marker of cardiac dysfunction with breast cancer treatment?

D. Sawyer, I. Mayer, J. Means-Powell, 2014, Ecancermedicalscience.

Pacing and vasovagal syncope: back to our physiologic roots

S. Raj, R. Sheldon, 2017, Clinical Autonomic Research.

A qualitative study to identify factors that influence patients’ decisions to call Emergency Medical Services for syncope

I. Blanchard, K. King-Shier, T. Campbell, 2020, Canadian Journal of Emergency Medicine.

The ACCF/AHA Scientific Statement on Syncope

W. Kapoor, R. Freeman, A. Camm, 2006, Clinical Autonomic Research.

Pathophysiology and Classification of PoTS

S. Raj, M. Lloyd, 2021 .

Sotalol-induced torsades de pointes precipitated during treatment with oseltamivir for H1N1 influenza.

Q. Wells, D. Darbar, S. Raj, 2010, Heart rhythm.

Syncope Unit: rationale and requirement--the European Heart Rhythm Association position statement endorsed by the Heart Rhythm Society.

I. Savelieva, B. Gorenek, J. Blanc, 2015, Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology.

'Labile hypertension' can be due to autonomic nervous system failure.

A. Diedrich, S. Raj, J. M. Luther, 2009, Kidney International.

Efficacy of Atomoxetine Versus Midodrine for the Treatment of Orthostatic Hypotension in Autonomic Failure

A. Diedrich, Leena Choi, A. Gamboa, 2014, Hypertension.

Priorities for emergency department syncope research.

I. Stiell, M. Brignole, R. Furlan, 2014, Annals of emergency medicine.

Neglected cause of recurrent syncope: a case report of neurogenic orthostatic hypotension

S. Raj, Robert J. H. Miller, D. Chew, 2019, European heart journal. Case reports.

Sodium Paradoxically Reduces the Gastropressor Response in Patients With Orthostatic Hypotension

J. Jordan, S. Raj, I. Biaggioni, 2006, Hypertension.

Nocturnal Blood Pressure Dipping in the Hypertension of Autonomic Failure

A. Diedrich, A. Gamboa, L. Okamoto, 2009, Hypertension.