Skip to Content


Pronunciation: de-fib'ri-la'tor


  1. Any agent or measure, an electric shock, that arrests fibrillation of the ventricular muscle and restores the normal beat.
  2. The machine designed to administer a defibrillating electric shock.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.