Signal-averaging electrocardiogram in patients with diabetes mellitus.

Abstract

In order to detect silent impairment of the heart due to diabetes mellitus, the signal-averaging electrocardiograms (ECG) of 21 healthy subjects and 22 diabetic patients without ventricular tachycardia were compared. The QRS duration in the signal-averaging ECG was longer in diabetic patients than in the normal subjects (87.3 ms vs. 114.5 ms, p less than 0.01). Moreover, late potentials in the terminal portion of the QRS complex were observed in 7 diabetic patients (32%), but in only one normal subject (5%, p less than 0.01). These findings suggested that patients with diabetes mellitus frequently have intraventricular conduction disturbances, presumably due to diabetic microangiopathy.

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@article{Yang1990SignalaveragingEI, title={Signal-averaging electrocardiogram in patients with diabetes mellitus.}, author={Qi-chu Yang and K Kiyoshige and Takashi Fujimoto and Motoyuki Katayama and Kazuya Fujino and Kiyoshi Saito and Yutaka Nakaya and Hiroki Mori}, journal={Japanese heart journal}, year={1990}, volume={31 1}, pages={25-33} }