Ventricular Fibrillation, Idiopathic

Below you will find more information about Ventricular Fibrillation, Idiopathic from Medigest. If you believe that you are suffering from any of the symptoms of Ventricular Fibrillation, Idiopathic it is important that you obtain an accurate diagnosis from a medical professional to ensure that you obtain the correct medication or treatment for your condition. There are medical conditions that carry similar symptoms associated with Ventricular Fibrillation, Idiopathic and therefore the information provided by Medigest is offered as a guideline only and should never be used in preference to seeking professional medical advice. The information relating to Ventricular Fibrillation, Idiopathic comes from a third party source and Medigest will not be held liable for any inaccuracies relating to the information shown.


Idiopathic Ventricular Fibrillation or V-fiB or VF, for brevity, is a term which is most frequently used to describe the occurrence of ventricular fibrillation in the intact heart (Aliot, E., Clement, J., Prystowsky, E. (2008). Fighting Sudden Cardiac Death: A World Wide Challenge, Blackwell Publishing, p.240). It is characterized by the uncoordinated contraction of the cardiac muscle of the ventricles located in the heart. It usually causes cessation of blood circulation which eventually leads to death.


Diagnosis is made on surface electrocardiography. In many cases electrocardiogram is non-diagnosting and electrophysiologic testing with provocation is needed (National Organization for Rare Disorder (2003). NORD Guide to Rare Disorder, Lippincott Williams and Wilkins, p. 45).


Standard therapies include implantation of an implantable cardioverted defibrillator. A precodial thump can also be used to regain cardiac function. Other treatment includes administration of agents like amiodarone or lidocaine.

Symptoms and Signs

It is usually asymptomatic or does not have any obvious manifestation or symptoms. There is also no obvious triggers are known and severity frequency of events varies.


Idiopathic Ventricular Fibrillation is an autosomal inherited trait caused by heterozygous mutation in cardiac sodium channel gene SCN5A.

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