Neurology Flashcards
(52 cards)
What causes bells palsy?
Acute neuritis of the facial nerve d/t virus, autoimmune or idiopathic cause (HSV can cause)
What is the key sign of Bells Palsy?
Acute unilateral facial paralysis
What are some risk factors for bells palsy?
Diabetes, pregnancy, recent infection, family hx, HTN, hypothyroidism
Aside from unilateral facial paralysis, what are some other accompanying symptoms of bells palsy?
Inability to close one eye, sagging of the affected side eyelid, mouth drawn to affected side, ipsilateral retroauricular pain
What is another syndrome that can be confused with Bells palsy?
Ramsey Hunt syndrome
What are some differentials for a pt with symptoms consistent with bells palsy?
Ramsey Hunt, stroke, Lyme disease, parotid gland tumour/neoplasm
When are symptoms expected to resolve with Bell’s Palsy?
Symptoms should resolve within 4 weeks, if not, refer to neuro
What are the two types of vertigo?
Central and peripheral
What are potential causes of central vertigo?
Brainstem dysfunction affecting vestibular nuclei/their connections, can be secondary to structural lesion such as neoplasm or ischemia
What is common with central vertigo?
Have spinning feeling but likely also have other symptoms such as diplopia, dysphagia, weakness, sensation disruption, etc.
What is the most common cause of peripheral vertigo?
BPPV (benign paroxysmal positional vertigo)
What are common symptom’s of Meneires disease?
Severe vertigo, tinnitus, hearing loss
What is Menieres disease?
Disorder of the inner ear (labrinyth)
What are risk factors for BPPV?
Age, recent infection, family hx, gender (female), trauma, stress, emotions, positions
What test should you complete when assessing for peripheral vertigo?
Dix-Hallpike (gold standard for BPPV)
What are the three types of migraine?
Migraine with aura, migraine without aura, and chronic migraine
What are some possible triggers for migraines?
Family hx, chronic use of OTC analgesics, trauma, food/lack of food/light/sleep/weather/hormones, menstruation, obesity, estrogen use, daily habitual snoring?
What are common findings of migraines?
Unilateral headache, photophobia, phonophobia, osmophobia (hypersensitivity to smell), nausea with/without vomiting
What are typical aura symptoms and when do they occur?
Usually precede the onset of the headache by 20-30 minutes. Sensory disturbances (dots, sparks, etc.) dizziness, inability to speak, etc.
Headache red flags?
Fever, weight loss, night sweats, altered mental status/confusion, seizures, thunderclap headache, neck stiffness, headache with papilledema
What are the triad of symptoms for meningitis?
Nuchal rigidity, fever, altered mental status
What are two physical tests to screen for meningitis?
Brudinski’s sign and Kernig’s sign
What labs should be done for meningitis?
LP**, CBC, coags, metabolic panel, blood cultures
What is Parkinson’s?
Progressive, chronic neurologic syndrome characterized by combo of akinesia/ bradykinesia, reduction of spontaneous activity and movement, rigidity, increase in spontaneous muscle tone and involuntary movement/tremor