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Aetiology

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Causes include :

  • Sinus bradycardia - where the abnormally slow pulse is the result of pacemaking from the sino-atrial node. This occurs in situations such as increased intracranial pressure, jaundice, sino-atrial disease, in trained athletes, hypersensitive carotid sinus syndrome, vasovagal syndrome.
  • AV dissociation - this occurs in situations such as heart block, sinus node disease, hypothermia.

Frequent ectopics are seen in ventricular bigemini.


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