Carolinas Core Concepts Core Concepts in EM; a repository for Carolinas lecture summaries.


Ligamentous Injuries of the Knee

Katherine Mahoney, MD

  • When injury to the knee causes immediate joint dysfunction, the injury will almost always be to the ACL or PCL.
  • Lateral collateral ligament injury will take up to 24 hours to swell and cause dysfunction.
  • In PCL injuries and knee dislocations, careful assess for neurovascular injury.
  • Unhappy triad: ACL, MCL, Medial Meniscus
    • Evaluate for associated injuries in the presence of any of the three injuries.
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