Question

A 28-year-old man presents with acute pleuritic chest pain and dyspnoea after a long-haul flight. HR 112, RR 24, SpO₂ 93% on air. Wells score suggests PE is likely. What is the most appropriate immediate investigation?

Accepted Answer

CT pulmonary angiography (CTPA)

Answer

D-dimer

Answer

Ventilation-perfusion (V/Q) scan

Answer

Lower limb Doppler ultrasound

Answer

Echocardiography

Practice question

A 28-year-old man presents with acute pleuritic chest pain and dyspnoea after a long-haul flight. HR 112, RR 24, SpO₂ 93% on air. Wells score suggests PE is likely. What is the most appropriate immediate investigation?