FRCR Part 2A Practice Questions - Final FRCR Part A Examination (Clinical Radiology) - CR2A Exam

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A 30-year-old woman presents with acute pleuritic chest pain and dyspnoea. A CT pulmonary angiogram shows a filling defect in the right main pulmonary artery. Which CT sign is the most reliable indicator of associated right heart strain?

Mosaic attenuation of the lung parenchyma A wedge-shaped peripheral consolidation Right ventricle to left ventricle short-axis diameter ratio greater than 1 Enlargement of the bronchial arteries

Correct Answer:

Right ventricle to left ventricle short-axis diameter ratio greater than 1

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