Very-short-term blood pressure variability: complexities and challenges.

Theodore G. Papaioannou, Athanase D. Protogerou, Kimon S. Stamatelopoulos, Krystallenia I. Alexandraki, Dimitrios Vrachatis, Antonios Argyris, Vasilios Papaioannou, Manolis Vavuranakis, Christodoulos Stefanadis and Dimitrios Tousoulis, First Department of Cardiology, Biomedical Engineering Unit, Hippokration Hospital, Department of Pathophysiology, Cardiovascular Prevention and Research Unit, Department of Clinical Therapeutics, Vascular Laboratory, Alexandra Hospital, First Department of Propaedeutic and Internal Medicine, Laikon Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Intensive Care Unit, Alexandroupolis General Hospital, Faculty of Medicine, Democritus University of Thrace, Alexandroupolis, Third Department of Cardiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece and Cardiovascular Medicine Section, School of Medicine, Yale University, New Haven, USA