Paradoxical splitting of S2 is seen in
Paradoxical splitting: Reverse of normal physiology, splitting of second hea sounds during expiration, singular during inspiration Seen in conditions that cause delayed conduction down the left bundle (LBBB, pre-excitation of the right ventricle, right ventricular pacing, premature RV beats), aoic stenosis ref - Harrisons internal medicine 20e pg1802-1805
Pulmonary stenosis
Pulmonary hypeension
Aoic stenosis
Congenital absence of pulmonary valve
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