The Use of Magnesium in Cardiac Arrest for ACLS Providers

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The Use of Magnesium in Cardiac Arrest for ACLS Providers

Introduction: The Role & Importance of Magnesium in Cardiac Arrest

Magnesium is one of the most common and essential minerals in the body. It is an important mineral that helps maintain normal muscle and nerve function, keeps bones strong, supports a healthy immune system, and keeps the heart rhythm steady.

The use of magnesium in cardiac arrest has been shown to improve ACLS outcomes. The use of magnesium in cardiac arrest is recommended by the American Heart Association (AHA) when torsades de pointes or other life-threatening arrhythmias are present.

What are the Benefits and Controversies of Using Magnesium in ACLS?

The use of magnesium in Advanced Cardiovascular Life Support (ACLS) has been studied extensively and has shown promising results. A Cochrane review on the use of magnesium in ACLS found that there was some evidence that the use of magnesium may improve outcomes in patients with cardiac arrest, however this evidence was not conclusive and more research needs to be done before any definitive conclusions can be made.

How to Use Magnesium in Cardiac Arrest

magnesium in cardiac arrest
Clinicians with a patient in an ICU unit.

Magnesium can be given intravenously or via intraosseous routes to help restore normal heart rhythm when torsades de pointes of hypomagnesemia is present, or if life-threatening arrhythmias caused by digitalis toxicity is indicated:

If torsades de pointes with a pulse or AMI with hypomagnesemia is present

Administer a loading dose of 1–2 gm IV over 5–60 minutes. Administer a second dose by repeating 0.5–0.75 mg/kg  every 5–10 minutes; max total dose of 3 mg/kg. A maintenance dose of 1–4mg per minute is recommended until the patient shows improvement.

If Cardiac Arrest due to pulseless torsades or hypomagnesemia is indicated

Administer 1–2 gm (2–4 mL of a 50% solution diluted in 10 mL D5W or NS given IV/IO)

Where Do I Go to Learn About Magnesium Use in ACLS?

The Medical ProCerts Advanced Cardiovascular Life Support certification teaches medical providers the correct dosing and use of fluids and drugs used in ACLS (such as Dopamine, Atropine and Lidocaine). You will also learn which methods of drug administration are used in ACLS–you can get a head start by reading up on ETT use in drug administration here. This comprehensive online ACLS course was specifically developed to create an affordable, informative, user-friendly experience to help you simply certify without the time and expense of training in-class.

Our courses are designed in accordance with the most recent guidelines detailed by the American Heart Association.

Medical ProCerts ACLS Certifications are:

  • Good for first-time ACLS certification
  • Also designed for ACLS recertification
  • Completed at Your Own Pace 100% Online
  • Valid for 2 Years
  • AHA & ILCOR Compliant
  • Employer Approved

Learn more and sign up today at

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