What are the cardiovascular manifestations of hypomagnesemia?

Updated: Oct 30, 2020
  • Author: Tibor Fulop, MD, PhD, FACP, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

Cardiovascular manifestations may include the following electrocardiographic abnormalities and arrhythmias:

  • Nonspecific T-wave changes - U waves
  • Prolonged QT and QU interval
  • Repolarization alternans
  • Premature ventricular contractions - Monomorphic ventricular tachycardia
  • Torsade de pointes
  • Ventricular fibrillation
  • Enhanced digitalis toxicity

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