Symptoms & Signs
A person who has a VF episode will suddenly collapse or become unconscious, because the brain and muscles have stopped receiving blood from the heart.
The following symptoms may occur within 1 hour before the collapse:
- Chest pain
- Rapid heartbeat
- Shortness of breath
Diagnosis & Tests
VF is an emergency condition. Seek immediate medical attention.
The pulse in the neck and groin area may be hard or impossible to feel. The person will be unresponsive.
The health care provider will listen to the heart with a stethoscope. The heartbeats may not be heard, or they may be very irregular.
A cardiac monitor will show a disorganized heart rhythm.
Pictures & Images
Heart, section through the middle
Ventricular fibrillation: Overview, Causes
Ventricular fibrillation: Symptoms & Signs, Diagnosis & Tests
Review Date : 5/15/2008
Reviewed By : Alan Berger, MD, Assistant Professor, Divisions of Cardiology and Epidemiology, University of Minnesota, Minneapolis, MN. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.