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pulmonary embolism xray

Pulmonary Embolism : Chest X-ray Signs

Epomedicine, Oct 25, 2017

pulmonary embolism xray

1. Classic presentation is normal X-ray in patient with dyspnea and hypoxia

2. Atelectasis or parenchymal abnormality (68%)

3. Elevated hemidiaphragm

4. Pleural effusion (Felson’s sign – pleural effusion on left > right)

5. Hampton’s hump: peripheral pleural based wedge-shaped density above the diaphragm due to pulmonary infarct

hamptons hump

6. Westermark’s sign: is distension of pulmonary vasculature proximal to embolism with loss of vascular markings distally, i.e. localized peripheral oligemia (rare)

westermark sign

7. Palla sign: Enlarged right descending pulmonary artery

8. Fleischner lines: Long curvilinear densities reaching pleural surface

fleischner lines

9. Fleischner sign: Dilated pulmonary artery

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Emergency Medicine PGMEE, MRCS, USMLE, MBBS, MD/MS Emergency medicineInternal medicinePediatricsRadiologyRespiratory system

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  1. Dr Gebeyehu Bekele says:
    Apr 3, 2023 at 5:20 pm

    It is very important summary,thanks

    Reply

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Epomedicine. Pulmonary Embolism : Chest X-ray Signs [Internet]. Epomedicine; 2017 Oct 25 [cited 2025 May 28]. Available from: https://epomedicine.com/emergency-medicine/pulmonary-embolism-chest-x-ray-signs/.

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