An early systolic murmur may be caused by all of the following except: (A) Small ventricular septal defect, (B) Papillary muscle dysfunction, (C) Tricuspid regurgitation, (D) Aoic stenosis
Answer is D. Aoic stenosis is characteristically associated with a midsystolic murmur and is the most appropriate answer.Ref: Harrison's 18/e p1827-28.