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Ventricular Fibrillation | Reference Guide


EKG Strip

ecg rhythm strip for reference guide


EKG Features

Rate: Unmeasurable
Rhythm: Highly irregular
P Wave: Absent
PR Interval: Not measurable
QRS: None
Fibrillatory waves may be coarse or very fine. This is based upon their size. The longer V Fib occurs, the smaller the waveforms are likely to be.
Ventricular fibrillation is an abnormal, irregular heart rhythm with uncoordinated electrical activity and contractions. Because the ventricles are not contracting, blood is not circulating. Ventricular fibrillation is a medical emergency requiring immediate treatment.
External Source: http://www.nlm.nih.gov/medlineplus/ency/article/007200.htm
MedlinePlus


Authors and Reviewers

Authored by Thomas O'Brien
EKG tracings reviewed by Dr. Pedro Azevedo, MD, Cardiology
Medically reviewed by Dr. Jonathan Keroes, MD, Cardiology
Last Update: 11/8/2021

Sources



Return to EKG Reference Guide Index


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