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Rotman, B; Eber, B; Dusleag, J; Brussee, H; Weinrauch, V; Klein, W.
Correlation between late potentials, left ventricular function and coronary heart disease
WIEN MED WOCHENSCHR. 1990; 140(17): 448-451.
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Leading authors Med Uni Graz: Rotman Brigitte
Co-authors Med Uni Graz: Brussee Helmut
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Abstract:: By signal averaging it is possible to registrate late, fragmented low amplitude signals (late potentials, LP's) from the bodysurface 26 patients (21 males, 5 females) with a mean age of 57 years were investigated by signal averaging, Holter-monitoring and cardiac catheterization. 11 patients had a dilative cardiomyopathy (group A), 10 patients a coronary heart disease (group B), 5 of them with an ejection fraction greater than 50%, 5 of them with a reduced ejection fraction, whereas the control-group with 5 patients (group C) showed no coronary stenosis or reduced ventricular function, 6 out of 11 patients with dilative cardiomyopathy showed LP's; all of these with Lown IVb had LP's. In 2 patients with coronary heart disease and good left ventricular function late potentials were found, and in all 5 patients with disturbed left ventricular function. The control-group revealed no late potentials although 4 patients had Lown IVa or more in Holter-ECG. In conclusion, late potentials show a good correlation to malignant ventricular ectopic beats in patients with dilative cardiomyopathy and coronary heart disease, especially when the left ventricular function is reduced.
Find related publications in this database (using NLM MeSH Indexing): Adult -; Aged -; Cardiomyopathy, Dilated - physiopathology; Coronary Angiography - physiopathology; Coronary Disease - physiopathology; Electrocardiography - physiopathology; Female - physiopathology; Heart Catheterization - physiopathology; Humans - physiopathology; Male - physiopathology; Middle Aged - physiopathology; Ventricular Function, Left - physiology