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Quiz of the Week: What’s Causing These Hand Deficits?

Created July 14, 2017 by Figure 1

A 31-year-old female presents to the emergency department with deep puncture wounds on her forearm after
being attacked by a pack of stray dogs. On examination, she has a loss of sensation throughout her right
medial palm and fingers and she is unable to extend her fourth and fifth digits. After her wounds are irrigated,
she is administered tetanus, rabies, and antibiotic prophylaxis. Based on this patient’s detected nerve damage,
what other hand functions might also be impaired?

a) Finger abduction
b) Extension of wrist
c) Pinching
d) Extension of thumb

Find the answer, learn about this case, and more on Figure 1.

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