MKSAP Neuro Flashcards
The International Classification of Headache Disorders categorizes headaches into what 3 major groups?
Priamry, secondary and related to a cranial neuralgia
Define primary headaches and list the 4 major categorizations for them:
Biologic disorders of the brain that are differentiated on the basis of clinical criteria. Migraine Tension Trigeminal Autonomic Cephalgias Other primary headache disorders
List some red flag symptoms that categorize secondary headaches:
first or worst headache; abrupt onset or thunderclap; progression or fundamental change in headache pattern; abnormal physical exam; neurologic symptoms lasting greater than an hour; new headache is someone younger than 5 or older than 50; new headache in patients with cancer or immunosuppressed; association with AMS or LOC; triggered by exertion, sex, or Valsalsva
When is neuroimaging indicated in headache and what modality?
Indicated in secondary headaches, rarely in primary headache disorders; MRI preferable except in trauma related injury
Define episodic and chronic in terms of length of time of headache disorders
Episodic means # headche free days > days with a headache over a given length of time; chronic means # headache free days < days with a headache
Define the term thunderclap headache and what is the most common serious intracranial disorder it is associated with?
Severe headache that reaches maximal intensity within 1 minute. “ Worst headache of my life” Subarachnoid hemorrhage
What is the diagnositic workup in suspected SAH?
Emergent CT head. If negative, LP is mandatory.
Risk of rupture of cerebral aneurysms greater than __ mm and those located in ____ circulation
5; posterior
What are the LP findings in SAH?
Elevated opening pressure, hgih protein levels, and erythrocyte count > 10,000; xanthomchromia
Carotid artery dissection can result in heaches in what region?
Frontotemporal
Vertebral artery dissection can result in headches in what region?
Occipital
Amaurosis fugax, diplopia, or Horner syndrome can indicate what artery involvement for dissection?
Carotid
Ataxia, vertigo, nausea and vomiting can be associated with what artery involvement for dissection?
Vertebral
Pain exacerbation with the Valsalva maneuver, pulsatile tinnitius and diplopia can indicate what syndrome?
Thrombosis of the cerebral veins or dural sinuses which can also present with abrupt-onset headache
What is the treatment for thrombosis of the cerebral veins or dural sinuses?
LMWH inpatient and warfarin for 3-6 months