Managing Dislocations of the Hip, Knee, and Ankle in the Emergency Department (Trauma CME)
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Managing Dislocations of the Hip, Knee, and Ankle in the Emergency Department (Trauma CME)
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Managing Dislocations of the Hip, Knee, and Ankle in the Emergency Department (Trauma CME) - $39.00

Publication Date: December 2017 (Volume 19, Number 12)

CME: This issue includes 4 AMA PRA Category 1 Credits™; 4 ACEP Category I credits; 4 AAFP Prescribed credits; and 4 AOA Category 2 A or 2B CME credits

Authors
 
Caylyne Arnold, DO
Clinical Faculty, Emergency Department, Naval Medical Center San Diego, San Diego, CA
 
Zane Fayos, MD
Resident Physician, Emergency Medicine, Naval Medical Center San Diego, San Diego, CA
 
David Bruner, MD, FAAEM
Staff Physician, Scripps Mercy Hospital San Diego, San Diego, CA
 
Dylan Arnold, DO
Assistant Professor of Military and Emergency Medicine, Uniformed Services University of the Health Sciences; Assistant Program Director, Emergency Medicine Residency, Naval Medical Center San Diego, San Diego, CA
 
Peer Reviewers
 
Melissa Leber, MD, FACEP
Assistant Professor of Emergency Medicine and Orthopedics, Director of Emergency Department Sports Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
 
Christopher R. Tainter, MD, RDMS
Associate Clinical Professor, Department of Anesthesiology, Division of Critical Care, Department of Emergency Medicine, University of California San Diego, San Diego, CA
 
Emergency Trauma Care Current Topics And Controversies, Vol I (Trauma CME)
 
Abstract
 
Dislocation of the major joints of the lower extremities-hip, knee, and ankle-can occur due to motor-vehicle crashes, falls, and sports injuries. Hip dislocations are the most common, and they require emergent management to prevent avascular necrosis of the femoral head. Knee dislocations are uncommon but potentially dangerous injuries that can result in amputation due to the potential for missed secondary injury, especially if they are reduced spontaneously. Isolated ankle dislocations are relatively rare, as most ankle dislocations involve an associated fracture. This review presents an algorithmic approach to management that ensures that pain relief, imaging, reduction, vascular monitoring, and emergent orthopedic consultation are carried out in a timely fashion.
 
Excerpt From This Issue
 

A 25-year-old man is brought in by ambulance after being involved in a high-speed motor vehicle crash as an unrestrained driver. He is complaining of right hip pain and lower abdominal pain. During his primary trauma survey, you note that his right leg is shortened and internally rotated. You suspect a native hip dislocation and/or fracture and wonder which diagnostic studies you should obtain and whether you should attempt a reduction before consulting orthopedic surgery.

Later that evening, an elderly woman arrives with right hip pain, unable to ambulate. She states, “I was just bending over to put on my shoes when I felt a ‘pop,’ and then I fell to the ground.” She then informs you that she recently underwent right total hip arthroplasty. You notice her right leg appears internally rotated, adducted, and shortened. You suspect a dislocation of her prosthesis and wonder whether you should involve orthopedics or reduce it yourself and, if reduction is successful, whether she can be discharged home.

 

Product Reviews
M, H., PA-C - 09/04/2018
I will have more awareness of potential vascular complications with knee injuries.

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Last Modified: 12/17/2018
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