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Cardiovasular
Cardiovascular
Question | Answer |
---|---|
ADRENERGIC ANTAGONISTS | (blank) |
BETA ADRENERGIC BLOCKER | (blank) |
ALPHA BLOCKADE | (blank) |
HEMODYNAMICS | (blank) |
CO= HR X SV | CARDIAC OUTPUT= HEART RATE X STROKE VOLUME |
CARDIAC OUTPUT | (blank) |
STROKE VOLUME | (blank) |
MYOCARDIAL CONTRACTILITY | THE FORCE W/ WHICH THE VENTRICLES CONTRACT, DETERMINED BY THE DEGREE OF CARDIAC DILATION, DETERMINED BY VENOUS RETURN. CONTRACTILITY CAN INCREASE BY THE SYMPATHETIC NS, ACTING THRU BETA1-ADRENERGIC RECEPTORS IN THE MYOCARDIUM. |
PRELOAD | AMOUNT OF TENSION OR STRETCH APPLIED TO A MUSCLE PRIOR TO CONTRACTION. IN THE HEART, STRETCH IS DETERMINED BY VENTRICULAR FILLING PRESSURE, THE FORCE OF VENOUS RETURN. THE GREATER THE FILLING PRESSURE, THE GREATER THE VENTRICLES WILL STRETCH. |
AFTERLOAD | (blank) |