<prompt> What happens to Austin flint murmur after exposure of vasodilators?AccentuatedSofterLonger durationShoer duration  <response>: Defective aoic valve closure and blood coming back in the ventricular chamber. Severe Aoic Regurgitation Austin Flint murmur When vasodilator is used -Dilate aoa pressure in Aoa-Less blood flows back murmur is softer. Note: All murmurs in intensity with Valsalva standing Amyl nitrate Except HOCM Louder MVP Longer 