In which condition is a hyperkinetic pulse associated with a normal pulse volume?

In which condition is a hyperkinetic pulse associated with a normal pulse volume?

Hyperkinetic pulse usually has a high pulse volume but in hypertrophic obstructive cardiomyopathy, is it associated with a normal pulse volume. A hyperkinetic pulse in HOCM is due to rapid initial rate of development of left ventricular pressure. Volume is not high because left ventricular outflow obstruction sets in soon. A hyperkinetic pulse with normal pulse volume may also be noted in mitral regurgitation. Here again the dilated left ventricle empties rapidly, but volume is not high because part of the blood goes back into the left atrium and not the aorta. In all other conditions with hyperkinetic pulse, the stroke volume is increased so that the hyperkinetic pulse has a high pulse volume as well.