Anterior ST-segment deviation during inferior myocardial infarction: arteriographic correlations during the acute phase

T. Tsugu, K. Ohshima, F. Ohkawa, Y. Asakura, K. Sakurai, S. Hori, H. Yamazaki

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Electrocardiographic changes in the anterior wall lead in inferior myocardial infarction were studied in coronary angiographic findings in the acute stage. The subjects were 40 patients with initial inferior myocardial infarction due to right coronary lesions. ST segments were elevated in 7 patients, remained unchanged in 11 and were depressed in 22. Two patients predominantly perfused in the left coronary artery showed ST elevation. All seven patients who showed elevation of the ST segments had occlusion of the ventricular branch proximal to right. However, another 15 (68%) of the patients with occlusion of the same lesion did not show elevation of any ST segment. There was no difference in left ventricular ejection fraction between the groups. The regional ejection fraction at the left ventricular inferior wall was significantly (p less than 0.01) higher in the ST elevated group than in the ST depressed group. Elevation of the ST segments in the anterior wall lead was observed only when the right ventricular free wall sustained injury, and no elevation of any ST segment was observed when the range of injury in the inferoposterior wall was wide, even in the presence of injury to the right ventricular free wall.

本文言語English
ページ(範囲)267-271
ページ数5
ジャーナルKokyu to junkan. Respiration & circulation
39
3
出版ステータスPublished - 1991 3

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Cardiology and Cardiovascular Medicine

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