CTAS 2. A 66-year-old with atrial fibrillation has abrupt vertigo, vomiting, diplopia, and ataxia. BP is 166/88, glucose is normal, and HINTS shows

Question

CTAS 2. A 66-year-old with atrial fibrillation has abrupt vertigo, vomiting, diplopia, and ataxia. BP is 166/88, glucose is normal, and HINTS shows direction-changing nystagmus with skew deviation. CT head is normal. What is the most likely diagnosis?

Accepted Answer

Posterior circulation stroke

Answer

Vestibular neuritis

Answer

Benign positional vertigo

Answer

Ménière disease

Answer

Labyrinthitis

Posterior circulation stroke — RCPSC EM MCQ

CTAS 2. A 66-year-old with atrial fibrillation has abrupt vertigo, vomiting, diplopia, and ataxia. BP is 166/88, glucose is normal, and HINTS shows direction-changing nystagmus with skew deviation. CT head is normal. What is the most likely diagnosis?