Effect of large variations in preload on left ventricular performance characteristics in normal subjects.
D000328:Adult; D001794:Blood Pressure; D001810:Blood Volume; D002306:Cardiac Volume; D003971:Diastole; D006339:Heart Rate; D006801:Humans; D008150:Lower Body Negative Pressure; D008297:Male; D009200:Myocardial Contraction; D011187:Posture; D013318:Stroke Volume; D016276:Ventricular Function