Which ECG findings are characteristic of hypomagnesemia?

Updated: Oct 30, 2020
  • Author: Tibor Fulop, MD, PhD, FACP, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Electrocardiographic (ECG) findings in hypomagnesemia are nonspecific, and include the following:

  • ST segment depression
  • Tall, peaked T waves
  • Flat T waves or depression in the precordium
  • U waves
  • Loss of voltage
  • PR prolongation
  • Widened QRS complex

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