<prompt> Dicrotic nature of aoic notch is lost in?Aoic StenosisAoic RegurgitationPDAAeriosclerosis  <response>: Aoic Stenosis REF: Harrisons 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 