Regression of Q waves following acute myocardial infarction. 1989

E B Marcus, and K Yano, and C J MacLean
Honolulu Heart Program, Kuakini Medical Center, HI 96817.

The predictors and effects of Q wave regression following acute Q wave myocardial infarction were examined in 1965-1982 in 127 Japanese-American men who participated in a prospective epidemiologic study of cardiovascular disease. Of these 127 men, 53 (42%) showed total regression of Q waves, 17 (13%) showed partial regression, and 57 (45%) showed no Q wave regression following acute myocardial infarction. Age at myocardial infarction and location of myocardial infarction did not predict which men would undergo Q wave regression. Q wave status after myocardial infarction (total, partial, or no regression) did not predict survival or recurrence of myocardial infarction. This study found that a substantial proportion of acute myocardial infarction cases undergo Q wave regression, indicating that clinicians and investigators alike require additional evidence to identify people with previous myocardial infarction.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009203 Myocardial Infarction NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCULATION). Cardiovascular Stroke,Heart Attack,Myocardial Infarct,Cardiovascular Strokes,Heart Attacks,Infarct, Myocardial,Infarction, Myocardial,Infarctions, Myocardial,Infarcts, Myocardial,Myocardial Infarctions,Myocardial Infarcts,Stroke, Cardiovascular,Strokes, Cardiovascular
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D004562 Electrocardiography Recording of the moment-to-moment electromotive forces of the HEART as projected onto various sites on the body's surface, delineated as a scalar function of time. The recording is monitored by a tracing on slow moving chart paper or by observing it on a cardioscope, which is a CATHODE RAY TUBE DISPLAY. 12-Lead ECG,12-Lead EKG,12-Lead Electrocardiography,Cardiography,ECG,EKG,Electrocardiogram,Electrocardiograph,12 Lead ECG,12 Lead EKG,12 Lead Electrocardiography,12-Lead ECGs,12-Lead EKGs,12-Lead Electrocardiographies,Cardiographies,ECG, 12-Lead,EKG, 12-Lead,Electrocardiograms,Electrocardiographies, 12-Lead,Electrocardiographs,Electrocardiography, 12-Lead
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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