(ref1, ref2, ref3) Using
echocardiography [= Complete two - dimensional, m -
mode, color and spectral Doppler
echocardiography = (ref)-RSB-; the drug appeared effective in lowering the abnormally high pressure found within the hearts of these cats (In HCM, your cat's left ventricular outflow tract pressure goes up due to the ballooned muscle blocking the outflow of blood = left ventricular outflow tract (= LVOT obstruction.