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

Multifocal Atrial Tachycardia

 
 
 
Bookmark

Overview

Multifocal atrial tachycardia is an irregular rhythm that occurs due to multiple atrial ectopic foci.
  • Look For

  • Heart rate >100bpm
  • At least three different P wave morphologies
  • Variable PP intervals
  • An isoelectric baseline (to differentiate from atrial fibrillation or flutter)
  •  
  • Causes of Multifocal Atrial Tachycardia

  • COPD exacerbation
  • Cor pulmonale
  • Ischaemic heart disease
  • Rheumatic heart disease
  • Hypokalaemia / hypomagnesaemia
  • Digoxin toxicity
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...