This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Dicrotic nature of aoic notch is lost in? 
Select and explain. 
A. Aoic Stenosis, B. Aoic Regurgitation, C. PDA, D. Aeriosclerosis
A: Aoic Stenosis
Answer: A: Aoic Stenosis 
Explanation: Aoic Stenosis REF: Harrison's 17th ed chapter 220 Anacrotic pulse with a slow initial upstroke, the peak is close to S2; these features suggest fixed left ventricular outflow obstruction, such as occurs with valvular aoic stenosis