PULMONARY EMBOLISM-CXR

SUMMARY

1. Usually non-specific finding.

2. Pulmonary infiltrate with a normal WBC count.

3. Pulmonary consolidation associated with an elevated ipsilateral hemidiaphragm (from atelectasis).

4. "Hampton hump": a pleural-based, wedge-shaped defect from infarction just above the diaphragm.

5. Oligemia (Westermark sign; rarely seen): a lack of vascular markings in the area downstream of the embolus.

6. Large right descending pulmonary artery (Palla sign).

Reference(s)

Wilkinson, I., Furmedge, D. and Sinharay, R. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press. Get it on Amazon.
Feather, A., Randall, D. and Waterhouse, M. (2020). Kumar And Clark’s Clinical Medicine. 10th ed. S.L.: Elsevier Health Sciences. Get it on Amazon.
Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
Therapeutic Guidelines. Melbourne: Therapeutic Guidelines Limited. https://www.tg.org.au [Accessed 2021].