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Cardioversion
Conversion of a cardiac arrhythmia to a normal rhythm using an electrical shock or medications / From Wikipedia, the free encyclopedia
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Cardioversion is a medical procedure by which an abnormally fast heart rate (tachycardia) or other cardiac arrhythmia is converted to a normal rhythm using electricity or drugs. Synchronized electrical cardioversion uses a therapeutic dose of electric current to the heart at a specific moment in the cardiac cycle, restoring the activity of the electrical conduction system of the heart. (Defibrillation uses a therapeutic dose of electric current to the heart at a random moment in the cardiac cycle, and is the most effective resuscitation measure for cardiac arrest associated with ventricular fibrillation and pulseless ventricular tachycardia.[1]) Pharmacologic cardioversion, also called chemical cardioversion, uses antiarrhythmia medication instead of an electrical shock.[2]
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Cardioversion | |
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![]() Illustration of cardioversion | |
Specialty | Cardiology |
ICD-9-CM | 99.6 |
MeSH | D004554 |
MedlinePlus | 007110 |