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The Accuracy of the Electrocardiogram during Exercise Stress Test Based on Heart Size

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  • Jason C Siegler
  • Shafiq Rehman
  • Geetha P Bhumireddy
  • Raushan Abdula
  • Igor Klem
  • Sorin J Brener
  • Leonard Lee
  • Christopher C Dunbar
  • Barry Saul
  • Terrence J Sacchi
  • John F Heitner

Abstract

Background: Multiple studies have shown that the exercise electrocardiogram (ECG) is less accurate for predicting ischemia, especially in women, and there is additional evidence to suggest that heart size may affect its diagnostic accuracy. Hypothesis: The purpose of this investigation was to assess the diagnostic accuracy of the exercise ECG based on heart size. Methods: We evaluated 1,011 consecutive patients who were referred for an exercise nuclear stress test. Patients were divided into two groups: small heart size defined as left ventricular end diastolic volume (LVEDV)

Suggested Citation

  • Jason C Siegler & Shafiq Rehman & Geetha P Bhumireddy & Raushan Abdula & Igor Klem & Sorin J Brener & Leonard Lee & Christopher C Dunbar & Barry Saul & Terrence J Sacchi & John F Heitner, 2011. "The Accuracy of the Electrocardiogram during Exercise Stress Test Based on Heart Size," PLOS ONE, Public Library of Science, vol. 6(8), pages 1-6, August.
    • Handle: RePEc:plo:pone00:0023044
    DOI: 10.1371/journal.pone.0023044
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