deviation of systolic time intervals ( sti ) from the regression lines obtained from 122 normal subjects was studied in 22 healthy adults ( group 1 ) , 18 n.y. functional class i cardiac patients ( group ii ) with ischemic ( ihd ) or primary myocardial disease ( pmd ) , and 15 similar patients ( pts ) but n.y. functional class ii with prior heart failure ( group iii ) .
C0151744
ihd
C0018787
heart