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Related Experiment Video

Updated: Jun 22, 2026

High-Resolution Endocardial and Epicardial Optical Mapping in a Sheep Model of Stretch-Induced Atrial Fibrillation

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Published on: July 29, 2011

Lightning induced atrial fibrillation.

L Dronacahrya¹, R Poudel

¹Manipal Teaching Hospital, Pokhara, Nepal. dreamysu@hotmail.com

Kathmandu University Medical Journal (KUMJ)

|June 2, 2009

Summary

Lightning strike triggered new-onset atrial fibrillation (AF) in a healthy 37-year-old man. The condition spontaneously resolved to normal sinus rhythm within 36 hours, suggesting a rare, transient cardiac event.

Area of Science:

Cardiology
Electrophysiology
Environmental Medicine

Background:

Atrial fibrillation (AF) is a prevalent cardiac arrhythmia with paroxysmal and persistent forms.
While AF can occur in various contexts, lightning-induced AF is exceptionally rare.

Observation:

A 37-year-old male with no prior cardiac history experienced new-onset AF immediately following a lightning strike.
The patient was treated solely with oral Metoprolol for ventricular rate control.

Findings:

The patient's atrial fibrillation spontaneously reverted to normal sinus rhythm within 36 hours.
This rapid, spontaneous resolution supports the diagnosis of new-onset, lightning-induced atrial fibrillation.

Implications:

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This case highlights an extremely rare trigger for atrial fibrillation.

It suggests that lightning strikes can induce transient cardiac arrhythmias in individuals without underlying heart disease.

Further investigation into the mechanisms of lightning-induced arrhythmias may be warranted.