Benign paroxysmal positional vertigo (BPPV) is the most prevalent form of peripheral vertigo and is common in posttraumatic\npatients. Sometimes, posttraumatic BPPV and subarachnoid hemorrhage (SAH) exist together. How to effectively recognize SAH\nespecially concealed bleeding before maneuver treatment for BPPV is worth paying attention by every clinician. Presently\ndescribed is a case that when there are some clinical symptoms cannot be completely explained by simple BPPV, the combination\nof CT and FLAIR MRI sequences are needed in the early-stage detection of acute SAH.
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