text: In very rare instances,<unk>  (the electrical restoration of a normal heart rhythm) is needed in the treatment of<unk> . This would normally only happen if all other treatments have been ineffective, or if the fast heart rate is poorly tolerated (e.g. the development of heart failure symptoms, hypotension (low blood pressure) or unconsciousness).
option_0: AVNRT cardioversion
option_1: Wolff-Parkinson-White syndrome cardioversion
option_2: Atrial fibrillation cardioversion
option_3: AVNRT vagal maneuvers
option_4: Pulseless ventricular tachycardia interventions
option_5: Short QT syndrome AICD placement
option_6: Atrial fibrillation electrical cardioversion
option_7: Transcutaneous pacing