Baylor Health Care System: Wide and narrow QRS complexes after arthroscopy

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	Past Issue: Volume 19, Number 2 • April 2006		Return to Table of Contents
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Wide and narrow QRS complexes after arthroscopy

D. Luke Glancy, MD, Paolo Raggi, MD, Vikram Katari, MD, and Enrique Velasquez, MD

An obese (5 feet, 5 inches, 224 pounds) 57-year-old woman with high blood pressure, diabetes mellitus, and arthritis underwent arthroscopy for a painful left knee. After the procedure, the electrocardiographic monitor in the recovery room showed alternately narrowing and widening QRS complexes, and a 12-lead electrocardiogram was obtained.