neurology Flashcards
(26 cards)
neisseria meningitis will present how in a gram stain?
Gram-negative diplococci
what is the mode of transmission in meningococcus?
droplets
What is waterhouse-friderichsen syndrome and what is it associated with?
bilateral adrenal hemorrhage and fulminant meningosepticemia
What causes a headache that is worse in the morning and may cause nausea, vomiting, and ataxia?
A brain tumor
what is the treatment of Tension headache?
Rest, avoid triggers and stressors, NSAIDS or acetaminophen
NSAIDs: abortive
TCAs: preventive
What does the ability to raise the eyebrows suggest in a patients with Bell’s palsy?
Suggests a central process. This is because the forehead receives bilateral upper motor neuron innervation, so a central stroke will spare the forehead and allow the patient to raise the eyebrows.
How to grade facial weakness in Bell’s palsy?
House and Brackmann grading 1-6
Name the condition with attacks of lancinating pain in the distribution of cranial nerve V.
Trigeminal neuralgia or tic douloureux.
Patient waking up with unilateral facial nerve paralysis, hyperacusis, and taste disturbance?
Bell’s palsy
Name the condition with attacks of lancinating pain in the distribution of cranial nerve V and its treatment
Trigeminal neuralgia or tic douloureux
Carbamazepine
What is the most common underlying condition associated with optic neuritis?
Multiple sclerosis.
Putamen hemorrhage PE
Contralateral hemiparesis
contralateral sensory loss
gaze paresis
homonymous hemianopia
abulia (loss of initiative)
aphasia
neglect
apraxia
BP goal is hypertensive intracranial hemorrhage?
140-160 mm Hg systolic
Which medications cause acute dystonic reactions?
Antipsychotics and antidopaminergic, ex: metoclopramide and haloperidol
How to treat acute dystonic reaction?
Anticholinergic agents such as benztropine and diphenhydramine
How to treat acute dystonic reaction?
Anticholinergic agents such as benztropine and diphenhydramine
Most common cause of epidural abscess?
hematogenous spread
What is a SENSITIVE marker in epidural abscess diagnosis?
ESR
What is the abx choice in epidural abscess?
3rd generation cephalosporin and vancomycin
What are the classic findings in transverse myelitis?
A transverse level of sensory impairment, paraplegia, and sphincter disturbance.
Cluster headache abortive medication and prophylaxis?
Abortive: 100% oxygen in non-rebreather for 15 minutes, subQ sumatriptan
Prophylaxis: verapamil
What is Miller-Fisher syndrome?
GBS variant associated with:
Ophthalmoplegia
Ataxia
Areflexia
Which bacteria should be considered as a cause of meningitis in patients ≥ 50 years?
Listeria monocytogenes.
Indications for head CT scan before performing LP?
AMS
Immunocompromised state
Focal neurological deficit
ICP high
CNS lesion
seizure one week
suspected subarachnoid hemorrhage