After a fall, a 68-year-old woman is taken to the emergency department with significant right hip discomfort. She stumbled on a rug and crashed against a wall before falling on her right hip on the floor. There is a history of sadness and polymyalgia rheumatica in the patient. Sertraline and low-dose prednisone are among the medications used. She also has a smoking history of 40 packs per year. The blood pressure is 145/85 mm Hg, and the pulse rate is 96 beats per minute. The patient appeared to be in a lot of agony. She can't move her right hip, and her right leg looks to be shorter than her left. The picture below depicts a pelvic x-ray: Injury involving which of the following arteries is most likely to lead to osteonecrosis in this patient?

Question

After a fall, a 68-year-old woman is taken to the emergency department with significant right hip discomfort. She stumbled on a rug and crashed against a wall before falling on her right hip on the floor. There is a history of sadness and polymyalgia rheumatica in the patient. Sertraline and low-dose prednisone are among the medications used. She also has a smoking history of 40 packs per year. The blood pressure is 145/85 mm Hg, and the pulse rate is 96 beats per minute. The patient appeared to be in a lot of agony. She can't move her right hip, and her right leg looks to be shorter than her left. The picture below depicts a pelvic x-ray:  Injury involving which of the following arteries is most likely to lead to osteonecrosis in this patient?

Quizplus · Accepted Answer

Eductional Objective: The majority of blood flow to the femoral head and neck is provided by the medial circumflex femoral artery and its branches. Injury to these arteries as a result of a displaced femoral neck fracture might result in femoral head osteonecrosis.

After a Fall, a 68-Year-Old Woman Is Taken to the Emergency