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

Short PR Interval



    • Look For

    • PR interval <120ms (3mm).
    • Causes of Short PR Interval

    • Normal variant (accelerated conduction through the AV node)
    • Preexcitation (accessory pathway) - Wolff-Parkinson-White syndrome, Lown-Ganong-Levine syndrome
    • Example

    • Short PR interval in the context of Wolff-Parkinson-White syndrome, with visible delta wave:
    • Short PR Interval
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