Key result
ECG changes including T-wave alternans and QT dispersion predict SCD risk in patients with diabetes.
Why the study?
The increasing prevalence of diabetes mellitus contributes to higher cardiovascular morbidity and mortality, with specific ECG changes potentially predicting sudden cardiac death risk in diabetics.
Do electrocardiographic changes predict the risk of sudden cardiac death in patients with diabetes mellitus?
Do electrocardiographic changes predict the risk of sudden cardiac death in patients with diabetes mellitus?
ECG markers such as T-wave alternans, heart rate variability, and QT dispersion may help identify diabetic patients at increased risk for sudden cardiac death.
Prevalence of diabetes mellitus (DM) is progressively increasing, contributing to a parallel increase in cardiovascular morbidity and mortality, and more than doubling the incidence of sudden cardiac death (SCD). Certain electrocardiographic (ECG) characteristics, such as alternans of the T wave (TWA), heart rate variability (HRV) and dispersion of the QT interval, have been found to be predictive of the risk of SCD. This review focuses on ECG changes that could be found in diabetics and their potential implication for SCD risk.
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Simova et al. (2015) conducted a review in Diabetes mellitus. Electrocardiographic changes (T-wave alternans, heart rate variability, QT dispersion) was evaluated on Sudden cardiac death (SCD) risk. Electrocardiographic changes such as T-wave alternans, heart rate variability, and QT dispersion are predictive of sudden cardiac death risk in patients with diabetes mellitus.
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