Electrocardiographic QRS duration and the risk of congestive heart failure: the Framingham Heart Study.

@article{Dhingra2006ElectrocardiographicQD,
  title={Electrocardiographic QRS duration and the risk of congestive heart failure: the Framingham Heart Study.},
  author={Ravi Dhingra and Michael J. Pencina and Thomas J. Wang and Byung-ho Nam and Emelia J Benjamin and Daniel L{\'e}vy and Martin G. Larson and William Bernard Kannel and Ralph B. D'Agostino and Ramachandran S. Vasan},
  journal={Hypertension},
  year={2006},
  volume={47 5},
  pages={861-7}
}
Prolonged electrocardiographic QRS duration is frequently observed in congestive heart failure (CHF) patients. We hypothesized that CHF risk increases with longer QRS interval in individuals free of CHF. We evaluated 1759 Framingham Study participants (mean age, 69 years; 63% women) without prior myocardial infarction or CHF who attended a routine examination. QRS duration was analyzed as a continuous (log-transformed) and a categorical variable [referent, <100 ms; incomplete bundle branch… CONTINUE READING
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