Which energy level is effective for termination of most supraventricular tachycardias (SVTs) in Wolff-Parkinson-White (WPW) syndrome?

Updated: Jan 08, 2017
  • Author: Christopher R Ellis, MD, FACC, FHRS; Chief Editor: Mikhael F El-Chami, MD  more...
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Because myocardial damage may occur with increases in applied energy, the minimum effective energy should be used and the energy should be titrated. A level of 100 J (monophasic or lower biphasic) successfully terminates most supraventricular tachycardias (SVTs) and should be tried initially. If that fails, a second shock with higher energy (200 J or 360 J) may be delivered.

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