the increasing recognition of silent myocardial ischemia , the significant prevalence of coronary artery disease in asymptomatic middle age men , and the frequent occurrence of myocardial infarction without preceding symptoms in 60 % of cases emphasizes the need for a more definitive , noninvasive diagnostic test for the presence of coronary artery disease suitable for screening in asymptomatic or symptomatic patients .
C0027051
myocardial infarction
C0018799
the