When are magnesium supplements to prevent hypomagnesemia indicated in patients with CAD?

Updated: Oct 30, 2020
  • Author: Tibor Fulop, MD, PhD, FACP, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Hypomagnesemia can also develop during cardiopulmonary bypass and predispose the patient to arrhythmia. [51] Intravenous magnesium given after the termination of cardiopulmonary bypass has resulted in significantly lower incidence rates of supraventricular and ventricular dysrhythmia, in relatively small trials of adult [52, 53] and pediatric [54] patients. Considering the above data, carefully assessing magnesium status in patients with CAD and supplementing patients deficient in magnesium seems prudent. The routine use of magnesium supplements in myocardial infarction remains controversial in the era of thrombolytics and percutaneous coronary interventions.


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