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  • Title: [ECG mapping in heart muscle hypertrophy].
    Author: Kehl K.
    Journal: Z Gesamte Inn Med; 1991; 46(1-2):10-4. PubMed ID: 1828124.
    Abstract:
    67 test persons (15 healthy persons, 52 patients with coronary heart disease, of them 28 patients with and 24 patients without myocardial hypertrophy) were examined by means of a mapping ECG (69 leads) and the echocardiography. For every individual lead of the mapping ECG the mean values and simple scattering of the R and S potentials of 15 normal persons have been established. Of this we led the limit values for left heart and right heart hypertrophy for every individual lead. We are able to make evident that for the determination of a myocardial hypertrophy the principle of Sokolow's index can be transferred to R (max) and S (min) of the mapping ECG. A quantification of the myocardial hypertrophy by means of the R-potential summation method presupposes a correction of the normal potential decrease in the cardio-electric field. A regionally differently characterized myocardial hypertrophy can be recognized with the help of the mapping ECG. By means of an exercise-induced mapping ECG hypertrophy-caused repolarisation disturbances can highly significantly be demarcated (p less than 0.001) from ischaemia-caused ones. The difference mapping is suitable as mapping ECG documentation for a myocardial hypertrophy.
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