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Emergency medicine updates: Cardiac arrest medications.
1Department of Emergency Medicine, University of Virginia, Charlottesville, VA, USA.
The American Journal of Emergency Medicine
|March 19, 2025
Summary
Key updates in cardiac arrest medications show epinephrine is vital, but survival benefits are unclear. Other drugs like antiarrhythmics, calcium, and sodium bicarbonate have limited roles in emergency cardiac care.
Area of Science:
- Emergency Medicine
- Cardiology
- Pharmacology
Background:
- Cardiac arrest is a critical condition managed in emergency departments.
- Medications play a crucial role in the management of cardiac arrest.
Purpose of the Study:
- To review evidence-based updates on medications used in cardiac arrest management.
- To inform emergency department (ED) care for cardiac arrest patients.
Main Methods:
- Literature review of key evidence-based updates on cardiac arrest medications.
- Analysis of medication efficacy and administration routes (intravenous/intraosseous).
Main Results:
- Epinephrine (1 mg) is recommended for both shockable and non-shockable rhythms, though it doesn't guarantee improved survival.
- Combination therapy (vasopressin, steroids, epinephrine) may improve Return of Spontaneous Circulation (ROSC) but not survival outcomes.
- Antiarrhythmics, calcium, and sodium bicarbonate have limited or no proven benefit for survival or neurologic outcomes.
- Beta-blockers may be considered for specific refractory rhythms (pVT/VF).
Conclusions:
- Understanding medication updates is essential for optimizing emergency cardiac arrest care.
- Intravenous (IV) administration is preferred, with intraosseous (IO) as a backup.
- Current evidence guides the judicious use of specific medications in cardiac arrest scenarios.
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