CTICasesBilateral Diaphragm Paralysis
Imaging findings
Sniff test performed standing showed apparent diaphragm excursion; however, supine imaging confirmed minimal to no active diaphragm movement.
Key takeaways
Supine imaging is mandatory to evaluate for bilateral diaphragm paralysis, as abdominal muscle recruitment while standing can mask the dysfunction. Symptoms often include orthopnea and bendopnia (dyspnea when bending forward).
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