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급성 전벽 심근경색증 환자에서 심전도 하벽 유도 ST 절 하강의 임상적 의의
최정현(Jeong Hyun Choi),전영주(Young Joo Jeon),정병기(Byung Ki Jung),최희만(Hee Man Choi),이중기(Choong Ki Lee),전재은(Jae Eun Jun),김항재(Hang Jae Kim),채성철(Shung Chull Chae),박의현(Wee Hyun Park) 대한내과학회 1991 대한내과학회지 Vol.40 No.3
To determine the significance of inferior ST segment depression during the early stages of acute transmural anterior myocardial infarction, we examined cardiac enzymes, in-hospital complications and indices of ST segment elevation in 51 patients presenting with acute anterior myocardial infarction. The patients were allocated to two electrocardiographic groups. Group I consisted of 19 patients (37%) with a 1 mm or more ST segment depression in at least two of leads II, III, and aVF, Group II consisted of 32 patients without this finding. Compared with group II, patients in group I had a higher peak creatine kinase and lactic dehydrogenase and experienced congestive heart failure, shock, arrhythmias requiring treatment, and death more frequently. Indices of ST segment elevation did not show a significant difference in both groups. The degree of inferior wall ST segment depression correlated weakly with the magnitude of the anterior ST segment elevation(r=0.63, p<0.01). Thus, the inferior ST depression during acute anterior infarction is a reliable marker of more extensive myocardial damage and an adverse hospital course. Such an inferior ST depression might reflect not only reciprocal change, but also ischemia in a remote inferior region.