×
MedSchool: Ace Your OSCEsThe Medical Company
 
 
 
 
 
GET - On the App Store
View
Test Findings
 
 

Poor R Wave Progression

 
Bookmark

Overview

Poor R wave progression is classically suggestive of anterior MI, though may occur in certain other conditions.
  • Look For

  • Gradual change in the direction of the QRS complex from negative to positive across the chest leads, generally with peak R wave height in V4 that tapers off over V5 and V6.
  • Normal R wave progression:
  • Normal R wave progression
  • Poor R wave progression: 
  • Poor R wave progression 
  • Causes of Poor R Wave Progression

  • Normal variant
  • Anterior myocardial infarction
  • Left ventricular hypertrophy
  • Right ventricular hypertrophy
  • Incorrect chest lead placement
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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...