J E Hartikainen

The high frequency component of heart rate variability reflects cardiac parasympathetic modulation rather than parasympathetic 'tone'.

J. Hartikainen, K. Tahvanainen, M. Hakumäki, 1995, Acta physiologica Scandinavica.

Effect of sympathetic modulation and sympatho-vagal interaction on heart rate variability in anaesthetized dogs.

J. Hartikainen, K. Tahvanainen, M. Hakumäki, 1995, Acta physiologica Scandinavica.

Distinction between arrhythmic and nonarrhythmic death after acute myocardial infarction based on heart rate variability, signal-averaged electrocardiogram, ventricular arrhythmias and left ventricular ejection fraction.

M Malik, J. Hartikainen, M. Malik, 1996, Journal of the American College of Cardiology.

Complications Related to Permanent Pacemaker Therapy

J. Hartikainen, R. Kettunen, J E Hartikainen, 1999, Pacing and clinical electrophysiology : PACE.

Power spectral analysis of heart rate variability during hyperinsulinemia in nondiabetic offspring of type 2 diabetic patients: evidence for possible early autonomic dysfunction in insulin-resistant subjects.

T. Laitinen, I. Vauhkonen, J. Hartikainen, 1999, Diabetes.