What does M-mode recording through the pulmonic valve show as an indirect sign of pulmonary hypertension?
A. Increased a-wave and mid-systolic opening of the valve
B. Reduced a-wave and mid-systolic closure of the valve
C. Constant a-wave and early diastolic closure of the valve
D. Enhanced a-wave and late diastolic opening of the valve
Select your answer:
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