What causes failure to shock in implantable cardioverter-defibrillators (ICD)?

Updated: Oct 11, 2019
  • Author: Daniel M Beyerbach, MD, PhD; Chief Editor: Jeffrey N Rottman, MD  more...
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Failure to deliver a shock may be caused by failure to sense, lead fracture, EMI, and inadvertent ICD deactivation. Management includes external defibrillation or cardioversion and antidysrhythmic medications.

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