Richard H. Helfant

Catheter Technique for Recording His Bundle Activity in Man

Benjamin J. Scherlag, Sun H. Lau, Richard H. Helfant et al. · Circulation · 1969 · 1K citations · Full text

Right Atrium, Heart Failure, Cardiac Anaesthesia +19

Detection and localization of tumor necrosis factor in human atheroma

Péter Baráth, Michael C. Fishbein, Jin Cao et al. · The American Journal of Cardiology · 1990 · 452 citations

Inflammation, Tumor Necrosis Factor, Vascular Disease +8

Nitroglycerin to Unmask Reversible Asynergy Correlation with Post Coronary Bypass Ventriculography

Richard H. Helfant, ROGELIO PINE, Steven G. Meister et al. · Circulation · 1974 · 313 citations · Full text

Hypertension, Heart Failure, Cardiac Anaesthesia +17

Functional Importance of the Human Coronary Collateral Circulation

Richard H. Helfant, Pantel Vokonas, Richard Gorlin · New England Journal of Medicine · 1971 · 278 citations

Hypertension, Physical Activity, Cardiovascular Function +17

Effect of Sustained Isometric Handgrip Exercise on Left Ventricular Performance

Richard H. Helfant, Maria A. Devilla, Steven G. Meister · Circulation · 1971 · 215 citations · Full text

Heart Failure, Cardiovascular Function, Diastolic Function +24