R-wave amplitude changes measured by electrocardiography during early transmural ischemia.

  title={R-wave amplitude changes measured by electrocardiography during early transmural ischemia.},
  author={Mohamad C. N. Sinno and Marcin Ryszard Kowalski and David N Kenigsberg and Subramaniam C. Krishnan and Sanjaya Khanal},
  journal={Journal of electrocardiology},
  volume={41 5},
BACKGROUND Changes in the amplitude of the R wave (RWA) on the electrocardiogram (ECG) have been described during acute myocardial ischemia and infarction. However, this has not been well studied in a controlled setting. We hypothesized that significant increase in RWA occurs during early transmural myocardial ischemia. METHODS We prospectively evaluated changes in RWA in 50 patients during brief episodes of transmural ischemia induced by first balloon occlusion (mean, 38 seconds at 6-10… CONTINUE READING
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The Brody effect: when not to invoke it. Computerized Interpretation of The Electrocardiogram XI

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