CTICasesPulmonary Artery Mixing Artifact
Imaging findings
Contrast discrepancy in the pulmonary artery; wispiness and high Hounsfield units (approx. 112 HU) inconsistent with a true clot.
Key takeaways
Distinguish between true pulmonary embolism and "smoke" or mixing artifacts caused by slowed blood flow, often associated with adjacent lung consolidation.
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