Which of the following is used to prevent recurrence of this rhythm disorder?
Correct Answer: Catheter ablation
Description: ECG shows hea rate of 200/min with narrow complex tachycardia. There is global segment depression and hidden P waves which is a feature of Paroxysmal Supraventricular tachycardia. Choice A is the answer as Catheter ablation will be used to prevent recurrence of such episodes. For example, in AVN, the slow pathway is ablated, which prevents the reentry cycle Choice B is used for chemical cardioversion in case of PSVT Choice C is used for electrical cardioversion in case of PSVT Choice D is used for Ventricular fibrillation and pulseless VT.
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