Neurology

Question 1

What is the first line medication for cluster headache prophylaxis?

Answer 1

Verapamil

Question 2

What are the symptoms of cerebral infarct of the posterior inferior cerebellar artery (PICA)?

Answer 2

Headache and less commonly vomiting, vertigo, horizontal ipsilateral nystagmus, and truncal ataxia

Question 3

What are the symptoms of cerebral infarct of the anterior inferior cerebellar artery (AICA)?

Answer 3

Dysmetria (inability to control the distance, speed, and range of motion necessary to perform smoothly coordinated movements), Horner’s syndrome (ptosis, myosis and facial anhidrosis i.e. no sweating d/t disruption in parasym nerve supply), unilateral hearing loss and ipsilateral facial paralysis or anesthesia with contralateral hemibody sensory loss of pain and temperature

Question 4

What are the symptoms of cerebral infarct of the superior cerebellar artery (SCA)?

Answer 4

Ataxia, dysarthria (difficult or unclear speech), and nystagmus, with less vertigo, headache, and vomiting