Practice Quiz

Emergency Medicine Test Prep

Category - Orthopedic Trauma

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A 30 year old cricket player holding his arm close to the body came to the emergency department with history of severe pain in the right shoulder and arm the pain started when after throwing a ball in cricket match and get worse the patient was unable to move his arm and on examination the arm was externally rotated and abducted what is the most appropriate diagnosis according to this presentation ?
  1. Anterior dislocation of humerus
  2. Posterior dislocation of humerus
  3. Dislocation of elbow
  4. Subluxation of shoulder joint
Explanation
Answer: A- as the anterior dislocation of humerus occur when the arm is over stretched as when throwing a ball or volley ball and the patient is unable to move his arm and the arm is externally rotated and adducted and anterior dislocation is the most common dislocation of the humerus accounting 97 % and posterior dislocation occurs in 3 % of patients
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