CTICasesPhrenic Nerve Palsy
Imaging findings
The patient developed acute elevation of the right hemidiaphragm following a brachial plexus block for wrist surgery. This was attributed to phrenic nerve anesthesia caused by local anesthetic leakage.
Key takeaways
Phrenic nerve palsy is a known, though often under-recognized, complication of regional anesthetic blocks like the brachial plexus block.
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