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Resting Heart Rate, Electrocardiographic Markers of Atrial Cardiopathy, and All-Cause Mortality

2026-03-03 cardiovascular medicine Title + abstract only
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BackgroundElevated resting heart rate (HR) and atrial cardiopathy are each linked to higher mortality risk, yet their interrelationship and joint prognostic value remain unclear. MethodsWe analyzed 7,326 adults (mean age 59 {+/-} 13 years) without cardiovascular disease from the Third National Health and Nutrition Examination Survey with available electrocardiograms. Atrial cardiopathy was defined by electrocardiogram as abnormal P-wave axis or deep terminal P-wave negativity in V1. Multivariab...

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