NDLI: Exercise-induced ST segment elevation. Electrocardiographic, angiographic, and scintigraphic evaluation.

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Exercise-induced ST segment elevation. Electrocardiographic, angiographic, and scintigraphic evaluation.

Content Provider	Semantic Scholar
Author	Lahiri, Avijit Balasubramanian, Viji Craig, M. W. Millar
Copyright Year	1980
Abstract	Two hundred and fifteen patients with previous myocardial infarction were investigated between four and six months after the acute episode by computer assisted 12 lead exercise electrocardiography. Thirty-six (17%) out of this group showed ST segment elevation over the infarct zone, reflected by leads presenting with "QS" configuration. They were further investigated by serial thallium-201 scintigraphy, coronary arteriography, and left ventricular angiography. All showed left ventricular wall motion abnormalities and 89 per cent were diagnosed to have left ventricular "aneurysm" (dyskinesia and akinesia). In a further patient with a posterior aneurysm, the exercise-induced ST elevation could only be detected by using an oesophageal lead. We suggest that these changes reflect severe underlying left ventricular wall motion abnormalities in the presence or absence of reversible myocardial ischaemia. The mechanism of ST segment elevation in this situation, occurring in leads with a "QS" configuration, may be mechanical in the majority of the patients rather than due to reversible myocardial ischaemia.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://heart.bmj.com/content/heartjnl/43/5/582.full.pdf
PubMed reference number	7378220v1
Volume Number	43
Issue Number	5
Journal	British heart journal
Language	English
Access Restriction	Open
Subject Keyword	Akinesia Aneurysm Arteriography Congenital Abnormality Coronary angiography Dyskinesia, Drug-Induced Eighty Nine Myocardial Infarction Myocardial Ischemia Patients Posterior Pituitary Hormones Premature ventricular contractions Radionuclide Imaging Thallium Ventricular Remodeling Wall of left ventricle Wall of ventricle angiogram
Content Type	Text
Resource Type	Article

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