CTICasesIatrogenic Right Phrenic Nerve Injury
Imaging findings
Elevated right hemidiaphragm post-mitral valve surgery; fluoroscopy confirms paradoxical movement during a "sniff" test.
Key takeaways
A sniff test with fluoroscopy is essential to distinguish between simple eventration and diaphragmatic paralysis. Lateral views provide the best assessment of the entire diaphragm.
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