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Heart Rate, Electrocardiographic Subclinical Myocardial Injury, and Long-Term Mortality

2026-03-02 cardiovascular medicine Title + abstract only
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BackgroundElevated resting heart rate is associated with increased mortality, but the underlying mechanisms remain incompletely understood. Subclinical myocardial injury (SCMI), defined by a Cardiac Infarction/Injury Score (CIIS) [≥]10, represents silent cardiac damage that predicts poor cardiovascular (CV) outcomes and may partially explain this association. MethodsWe analyzed 7,152 participants from NHANES III who underwent ECG recording and were free of cardiovascular disease. Heart rate ...

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