×
MedSchool: Ace Your OSCEsThe Medical Company
 
 
 
 
 
GET - On the App Store
View
Conduction Disorders
 
Conduction Disorders
 

Second Degree SA Exit Block: Type I

February 15th, 2021
 
 
 
Bookmark

Overview

Also known as Wenkebach SA exit block.
Type I second degree sinoatrial exit block occurs when there is progressively delayed SA transmission eventually resulting in a missed P wave due to failure of conduction to the atrial myocardium.
  • Look For

  • Progressively shortened PP intervals, followed by a pause.
  •  
Next Page
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Want more info like this?
  • Your electronic clinical medicine handbook
  • Guides to help pass your exams
  • Tools every medical student needs
  • Quick diagrams to have the answers, fast
  • Quizzes to test your knowledge
Sign Up Now
   
 
 

Snapshot: Initialising...