in an attempt to better understand what causes impairment of failing myocardium , the mechanical characteristics of papillary muscles from three different models of congestive heart failure were compared at varying stages of hypertrophy and failure : adriamycin cardiotoxic rabbit , cardiomyopathic hamster and infra-renal aorto-caval shunted dog .
C0027061
myocardium
C0030352
papillary muscles