the mean onset of heart failure was 38 years of age , the mean duration 60 months , the mean age of death 43 years , the mean heart weight 513 g and the mean total chamber volume 286 ml , the mean chamber volume being 89 ml in the left ventricle ( lv ) , 72 ml in the right ventricle ( rv ) , 71 ml in the right atrium ( ra ) and 55 ml in the left atrium ( la ) .
C0018801
heart failure
C0018787
heart