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Conduction Disorders
 
Conduction Disorders
 

Second Degree SA Exit Block: Type II

 
 
 
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Overview

Type II second degree sinoatrial exit block occurs when there is an intermittently missed P wave due to failure of conduction to the atrial myocardium.
  • Look For

  • A constant PP interval, with a pause that is a multiple of the PP interval.
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