[CK] first episode VT/VF = no need AAD. But if there is no reversible cause, then consider it to use ! (1) Definitely for recurrent one with ICD shock! (2)
Recurrent VF that is not due to a reversible cause can be treated with intravenous (IV) amiodarone. It decreases AV conduction and sinus node function. It also prolongs action potential and refractory period in myocardium and inhibits adrenergic stimulation. Amiodarone can also be used orally on a long-term basis in patients who refuse ICDs, are not candidates for ICDs, or have frequent ventricular arrhythmias.
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