A 44-year-old male weekend athlete presents to the emergency department with sudden onset sharp pain and a sensation of being "kicked" in the posterior calf while playing tennis. He has a history of intermittent Achilles tendinopathy and used ciprofloxacin 4 weeks prior. Examination reveals a positive Thompson test and inability to plantarflex the ankle. Point-of-care ultrasound in long axis shows the structure marked **A** — a hypoechoic gap between retracted tendon stumps with no movement of the ends on dynamic examination. Which of the following best explains the mechanism of tendon rupture risk in this patient's recent fluoroquinolone exposure?
Ready to test yourself?
Test your Orthopedics knowledge with AI-powered MCQs and detailed explanations — no signup required to try.
Sign up free and practice all 1 Achilles Tendon Rupture MCQs with AI-powered explanations tailored to your performance.
Create Free Account