Ulnar claw

High Yield Notes

10 pages

Flashcards

Ulnar claw

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Preguntas

Preguntas del estilo USMLE Step 1

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A 30-year-old man comes to the office to evaluate clumsiness and a pins-and-needles sensation in his right hand. The patient is worried that he won’t be able to participate in an upcoming road bicycle race due to his hand weakness. The patient suffered a fall while riding his bicycle four months ago. Vitals are within normal limits. Physical examination of the right hand demonstrates hypothenar eminence atrophy, decreased sensation over the 4th and 5th digits, diminished finger abduction, and weakness in adduction of the fingers and thumb adduction. Which of the following is the most likely site of nerve injury?  

External References

First Aid

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“Ulnar claw p. 450, 457

Enlaces externos

Resumen

Ulnar claw is an abnormal hand position caused by ulnar nerve dysfunction, where the fourth and fifth fingers are drawn towards the back of the hand at the first knuckle and curled towards the palm at the second and third knuckles.

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