CTICasesPulmonary Embolism vs. Layering Contrast
Imaging findings
Contrast layering in the pulmonary arteries due to reduced cardiac output/heart failure, which can mimic pulmonary embolism (PE).
Key takeaways
In patients with low flow, contrast can layer proximally, leading to non-diagnostic studies. Avoid calling PE when flow is sluggish and contrast is non-homogenous.
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