Know Your Guidelines – Ventricular Fibrillation

Andrea Eberly, MD, MS, FAAEMEmergency Medicine, Guideline Knowledge Check, Medical News

Emergency Medicine Guidelines Knowledge Check Ventricular Fibrillation

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Today's Guideline Knowledge Check question comes from the desk of Med-Challenger Emergency Medicine Editor-in-Chief, Andrea Eberly, MD, FAAEM.

Based on current AHA guidelines...

Do beta-blockers play a role in treating ventricular fibrillation?

Yes or No?

Try this review question and find out if you're following the most current guideline.

Guideline Review Question

Which of the following statements describes the newly emerging role of beta blockers in the management of ventricular arrhythmia?

In patients with acute ST elevation myocardial infarction (STEMI), a beta blocker is superior to amiodarone for treating polymorphic ventricular tachycardia (VT) or ventricular fibrillation (VF).

After recent myocardial infarction (MI), a beta blocker is superior to amiodarone for treating defibrillation-resistant polymorphic ventricular tachycardia (VT) or ventricular fibrillation (VF).

In patients without signs of cardiac ischemia or history of recent myocardial infarction (MI), recurrent ventricular fibrillation (VF) unresponsive to amiodarone may be treated with a combination of lidocaine and a beta blocker.

In patients with ongoing myocardial ischemia, addition of an intravenous beta blocker may help stabilize polymorphic ventricular tachycardia (VT) resistant to defibrillation and antiarrhythmics.

Answer Explanation & References:

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About Guideline Knowledge Checks:

With each update of national clinical practice guidelines, some recommendations change and many remain unchanged. Med-Challenger Guideline Knowledge Checks help you know both what is new and what has stayed the same in the most recent guidelines pertinent to various medical specialties.

About the Author:

Andrea Eberly, MD, FAAEM graduated from the David Geffen Medical School of Los Angeles (UCLA) and completed her residency in Emergency Medicine at the University Medical Center, Tucson, Arizona. After working as an attending physician in Tucson, she followed a recruiting call to the island of Guam, where she served in various roles, including as the director of the emergency department, the EMS Medical Director of Guam, and the Director of the 911 Call System. She has maintained her emergency medicine board certification through three cycles of American Board of Emergency Medicine Board Exams (last in 2014), all three with the help of Med-Challenger.

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