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R H Helfant

Showing results (31-40 of 171) with videos related to

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Annals of Internal Medicine|August 1, 1970
Coronary atherosclerosis, coronary collaterals, and their relation to cardiac functionR H Helfant, H G Kemp, R Gorlin
Japanese Circulation Journal|January 1, 1987
Myocardial segment motion during regional ischemia--regional contraction and relaxationM Akaishi, W S Weintraub, R H Helfant
Circulation|November 1, 1975
Electrophysiologic effects of coronary occlusion and reperfusion. Observations of dispersion of refractoriness and ventricular automaticityR Levites, V S Banka, R H Helfant
JAMA|May 31, 1976
Nitroprusside therapy. Treatment of hypertensive patients with recurrent resting chest pain, ST-segment elevation, and ventricular arrhythmiasD Mukherjee, M S Feldman, R H Helfant
Journal of the American College of Cardiology|March 1, 1989
Effect of postextrasystolic potentiation on systolic bulging of ischemic myocardiumS Noma, A D Askenase, R H Helfant
Circulation|September 1, 1972
His bundle electrogram. A critical appraisal of its uses and limitationsB J Scherlac, P Samet, R H Helfant
Circulation|December 1, 1975
Electrophysiologic effects of nitroglycerin during experimental coronary occlusionR Levites, M M Bodenheimer, R H Helfant
The New England Journal of Medicine|June 10, 1971
Functional importance of the human coronary collateral circulationR H Helfant, P S Vokonas, R Gorlin
Circulation|August 1, 1973
Differentiation of "A-V junctional rhythms"B J Scherlag, R Lazzara, R H Helfant
The American Journal of Cardiology|March 1, 1980
Nuclear cardiology. I. Radionuclide angiographic assessment of left ventricular contraction: uses, limitations and future directionsM M Bodenheimer, V S Banka, R H Helfant
Pageof 18

Showing results (31-40 of 171) with videos related to

Sort By:
Pageof 18
Annals of Internal Medicine|August 1, 1970
Coronary atherosclerosis, coronary collaterals, and their relation to cardiac functionR H Helfant, H G Kemp, R Gorlin
Japanese Circulation Journal|January 1, 1987
Myocardial segment motion during regional ischemia--regional contraction and relaxationM Akaishi, W S Weintraub, R H Helfant
Circulation|November 1, 1975
Electrophysiologic effects of coronary occlusion and reperfusion. Observations of dispersion of refractoriness and ventricular automaticityR Levites, V S Banka, R H Helfant
JAMA|May 31, 1976
Nitroprusside therapy. Treatment of hypertensive patients with recurrent resting chest pain, ST-segment elevation, and ventricular arrhythmiasD Mukherjee, M S Feldman, R H Helfant
Journal of the American College of Cardiology|March 1, 1989
Effect of postextrasystolic potentiation on systolic bulging of ischemic myocardiumS Noma, A D Askenase, R H Helfant
Circulation|September 1, 1972
His bundle electrogram. A critical appraisal of its uses and limitationsB J Scherlac, P Samet, R H Helfant
Circulation|December 1, 1975
Electrophysiologic effects of nitroglycerin during experimental coronary occlusionR Levites, M M Bodenheimer, R H Helfant
The New England Journal of Medicine|June 10, 1971
Functional importance of the human coronary collateral circulationR H Helfant, P S Vokonas, R Gorlin
Circulation|August 1, 1973
Differentiation of "A-V junctional rhythms"B J Scherlag, R Lazzara, R H Helfant
The American Journal of Cardiology|March 1, 1980
Nuclear cardiology. I. Radionuclide angiographic assessment of left ventricular contraction: uses, limitations and future directionsM M Bodenheimer, V S Banka, R H Helfant
Pageof 18