Various hemodynamic factors, hypothermia, and sympathomimetic amines were studied for their influence on the duration and mean rate of ventricular ejection in an isolated heart preparation.
The independent influences of stroke volume, heart rate, aortic pressure, hypothermia, sympathomimetic amines, metered mitral and aortic valvular regurgitation, and alterations in myocardial contractility on the duration and mean rate of ventricular ejection and filling were studied. These observations were made in a metabolically supported, isolated heart preparation with performance characteristics comparable to the non-isolated heart.
Braunwald et al. (Thu,) conducted a other in Isolated heart preparation. Alterations in stroke volume, heart rate, aortic pressure, hypothermia, sympathomimetic amines, valvular regurgitation, and myocardial contractility was evaluated on Duration and mean rate of ventricular ejection and filling. Various hemodynamic factors, hypothermia, and sympathomimetic amines were studied for their influence on the duration and mean rate of ventricular ejection in an isolated heart preparation.