1. 
   countershock
   (Learning Modules / Psychology / Stress) This follows the initial shock phase of the alarm reaction when blood pressure has dropped, in the countershock phase arousal in the body becomes heightened.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   countershock
   An electric shock applied to the heart to terminate a disturbance of its rhythm. ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?countershock
   
   
3. 
   countershock
   (koun´tәr-shok″) a high-intensity direct current shock delivered to the heart to interrupt ventricular fibrillation and restore synchronous electrical activity.
   Found op http://www.encyclo.co.uk/local/21001
   
   
4. 
   countershock
   Type: Term Pronunciation: kown′ter-shok Definitions: 1. An electric shock applied to the heart to terminate a disturbance of its rhythm.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=20975
   
   

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