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[The relationship between QRS voltage on ECG (the Minnesota code) and cardiac mortality amongst males. The Reykjavik

Steinunn Thordardottir1, Thor Aspelund, Arni Grimur Sigurdsson

  • 1Landspitali, Háskóla Islands. steintho@landspitali.is

Laeknabladid
|November 7, 2007
PubMed

Insights

Electrocardiogram (ECG) voltage criteria for left ventricular hypertrophy (LVH) show limited ability to predict cardiac mortality in men. Larger QRS voltages on ECG are not a strong indicator of increased risk for heart disease death.

Area of Science:

  • Cardiology
  • Electrocardiography
  • Public Health

Context:

  • Left ventricular hypertrophy (LVH) is a significant clinical finding linked to adverse cardiovascular outcomes.
  • Traditional ECG voltage criteria are used to diagnose LVH.
  • The predictive value of these criteria for coronary heart disease (CHD) mortality requires further investigation.

Purpose:

  • To evaluate the efficacy of standard ECG voltage criteria in predicting CHD mortality in males.
  • To identify optimal QRS voltage thresholds that balance sensitivity and specificity for mortality prediction.

Summary:

  • A population-based cohort study analyzed males diagnosed with LVH via ECG (Minnesota code) and a control group.
  • ECG voltage criteria were systematically refined to assess their correlation with CHD mortality.
  • No significant difference in CHD mortality was observed between males meeting standard LVH criteria and controls.

Impact:

  • The study indicates a limited correlation between high QRS voltage on ECG and mortality risk in males.
  • QRS voltage alone is an insufficient predictor of cardiac mortality.
  • Findings suggest a need for improved risk stratification tools beyond basic ECG voltage measurements.
Abstract

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