Musculoskeletal Injuries 329316.A 31-year-old man is riding his mountain bicycle down a steep hill
when he hits a rock in the path and is thrown off the bicycle. In the ED, the
individual complains only of left arm pain. Your primary survey is unre-
markable. After administering medication for pain control, you send the
patient for a radiograph of his arm. Which of the following injuries is con-
sistent with this patient’s radiograph as seen below?
(Courtesy of Adam J. Rosh, MD.)a. Monteggia fracture
b. Galeazzi fracture
c. Nightstick fracture
d. Colles fracture
e. Smith fracture