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. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
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].