A 60-year-old man presents to his primary care physician complaining that he often feels as if the room is spinning when he gets up from a recumbent position or turns his head. He has not lost consciousness and has had no chest pain. He has no cardiac history, and a recent treadmill test showed no abnormalities. On examination, the sensation can be produced by rapidly turning the head. It can be reproduced many times, but it eventually ceases. Nystagmus is elicited. Hearing is normal. Which of the following is the MOST likely mechanism for this patient's symptoms?
AInsufficient cerebral perfusion
BInsufficient cardiac output
CAberrant stimulation of hair cells
DHair cell death in the semicircular canals
A 25-year-old woman presents with episodes of dizziness, tinnitus, and hearing loss in the right ear. What is the most likely diagnosis?
ALabyrinthitis
BMénière's disease
CAcoustic neuroma
DBenign paroxysmal positional vertigo
A person presenting to the outpatient department with complaints of rotational vertigo and nausea in the morning, which worsens with changes in head position. What is your diagnosis?
ALabyrinthitis
BBPPV
CVestibular neuronitis
DMeniere's disease
+ 7 more in the PDF
Browse all chapters