What Causes the Dicrotic Notch on the Aortic Pressure Curve

question 50

Multiple Choice

What causes the dicrotic notch on the aortic pressure curve?

• A) a disturbance set up during closure of the aortic valve
• B) a disturbance set up during closure of the left atrioventricular valve
• C) elastic recoil of the arterial walls during ventricular diastole
• D) turbulent flow through a stenotic valve

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