A 22-year-old man sustains a laceration to the dorsolateral wrist on broken glass. Vital signs: BP 118/76, HR 92, RR 16, Temp 37°C, SpO2 98%. Brisk bleeding occurs from a vessel normally traversing the anatomic snuffbox before contributing to the deep palmar arch. Physical examination reveals intact median and ulnar nerve function. Doppler ultrasound confirms arterial flow disruption in the snuffbox region. Which vessel is most likely injured?
- A)Ulnar artery
- B)Axillary artery
- C)Profunda brachii artery
- D)Brachial artery
- E)Radial arteryGABARITO
Explicação
The radial artery wraps dorsally around the wrist and traverses the anatomic snuffbox before entering the palm. A laceration in that location most directly threatens the radial artery. Ver explicação completa e trilha adaptativa →