forty-four percent of the pvas in the myocardial infarction group had a cycle length greater than 250 msec or a coupling interval of the first tachycardia beat to its initiating stimulus greater than 320 msec as opposed to only one ( 6 % ) in the group without heart disease ( p less than 0.02 ) .
C0027051
myocardial infarction
C0018799
heart disease