Loud pulmonary component of second heart sound | NEET Based MCQ

Loud pulmonary component of second heart sound is heard in :

A. Pulmonary hypertension
B. TOF
C. Eisenmenger syndrome 
D. Pulmonary stenosis

Ans. (A) Pulmonary hypertension

In pulmonary hypertension, P₂ is loud, and splitting of the second heart sound may be diminished, normal, or accentuated, depending on the cause of the pulmonary hypertension, the pulmonary vascular resistance, and the presence or absence of right ventricular decompensation. Loud P₂: Pulmonary hypertension

Loud A₂: Systemic hypertension  ; Aortitis ; Aortic aneurysm