Author: Basil Iqbal Sait, Vasavi Shenoy Bellare / Editor: Sarah Edwards / Codes: HP2, RP4, SLO2, SLO5, SLO7, TP3 / Published: 25/09/2025
A 38-year-old male is brought to the Emergency Department (ED) as a trauma pre-alert following a motorcycle-versus-car collision at an estimated speed of 40 mph. He reportedly struck the rear of a stationary vehicle. He has an obvious deformity to his right forearm.
On arrival to the ED, he is alert and oriented with a GCS of 15. A structured primary survey was performed:
Airway is patent with cervical spine immobilised.
Breathing: RR 18, SpO₂ 98% on air; with mild reduced air entry at both lung bases and right-sided chest wall tenderness.
Circulation: HR 88 bpm, BP 110/70 mmHg. No active bleeding, warm peripheries, distal pulses intact.
Disability: Pupils equal and reactive, blood glucose normal, no focal neurological deficit.
Exposure: Temp 36°C, covered with a blanket; visible deformity to right distal forearm.
The patient is administered IV tranexamic acid (TXA) and warm fluids. A full trauma CT (head to pelvis) is ordered to assess for internal injuries given the high-speed mechanism. Past medical history is unremarkable, with no known comorbidities or anticoagulant use. The patient is fit and well.

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Question 1 of 3
1. Question
Which of the following findings on CT scan most strongly suggests the need for urgent surgical or interventional management in this patient?
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Question 2 of 3
2. Question
What is the most likely mechanism behind traumatic aortic transection in this patient?
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Question 3 of 3
3. Question
Which of the following is the most appropriate initial management step upon identifying traumatic aortic transection on CT in a haemodynamically stable patient?
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5 responses
Urgent referral is essential for this patient care to reduce mortality. This was a nice module many thanks.
Nice case
good, thank you
Very informative. Thank you
TEVAR noted