SplintER Series: Patellar Tendon Rupture

A 46-year-old female with a history of diabetes and morbid obesity presents to the emergency department (ED) with difficulty walking after she tripped on a curb and fell onto her right knee. You obtain X-rays (Figure 1). What is your suspected diagnosis? What is your initial workup in the ED? What is your management and disposition?

Figure 1. AP/lateral x-ray of the right knee. Author’s own images.