Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Automated external defibrillator

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Automated external defibrillator: A device that automatically analyzes the heart rhythm and that'if it detects a problem that may respond to an electrical shock'delivers a shock to restore a normal heart rhythm. Thanks to their small size and ease of use, AEDs have been installed in many settings (such as schools and airports), and serve a role in expanding the number of opportunities for life-saving defibrillation. Abbreviated AED.

Need Expert Advice on Your Condition?

Get a personalized video breakdown and treatment plan from our senior neurosurgeons using your MRI/CT scans.

👉 Request MRI Review