Q: Intra Aortic Balloon Pump (IABP) tends to _____________ the systolic blood pressure? (select one)
Inflation of IABP during the heart's diastole displaces the blood to the proximal aorta. And, aortic volume is reduced during systole due to a vacuum effect by rapid balloon deflation (decrease afterload). These two actions result in a decrease in systolic blood pressure, an increase in diastolic blood pressure, and an increase in mean arterial pressure (MAP).
All these changes depend on arterial elastance. The higher the arterial elastance, the better the hemodynamic improvement response.
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