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ventricular fibrillation |
Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia, Hutchinson | 0.02 sec. |
ventricular fibrillationUncoordinated contraction of the muscle fibres of the heart's ventricles (see arrhythmia). Causes include heart attack, electric shock, anoxia, abnormally high potassium or low calcium in the blood, and digitalis or epinephrine poisoning (see drug poisoning). Death soon follows if circulation is not restored with electric shocks (defibrillation) or drugs supplemented by chest compressions (as in cardiopulmonary resuscitation). See also atrial fibrillation. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Specifically, a blow to the heart at a specific point during its beating cycle can cause ventricular fibrillation, a condition where little or no blood is pumped, resulting in collapse and sudden death if medical help is not provided immediately. Automated external defibrillators appropriately recognise ventricular fibrillation in electromagnetic fields, Prehopsital Emergency Care, 2002. Pooled adult cardiac arrest studies suggest that the outcome for patients with documented ventricular fibrillation is improved with early and rapid defibrillation. |
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