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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Definitions:

Paresthesia

A sensation of tingling, pricking, or numbness of the skin with no apparent long-term physical effect, often described as feeling of pins and needles.

Dyspnea

A term for difficulties in breathing, often described as shortness of breath or breathlessness.

Heart Palpitations

The sensation that the heart is racing, pounding, fluttering, or beating irregularly, often linked to anxiety, stress, or underlying health conditions.

Dizziness

A sensation of unsteadiness or a feeling of movement within the head that can lead to balance issues.