the inotropic state of the ventricle was assessed in seven subjects with congestive heart failure ( mean ejection fraction = 23 +/- 5 % ) before and after administration of the isa beta blocker , pindolol , with the use of the noninvasively derived end-systolic pressure/end-systolic dimension ( esp/esd ) relation .
C0018802
congestive heart failure
C0031937
pindolol