Headache Flashcards
What are the trigeminal autonomic cephalagias?
Group of primary headache disorders characterised by unilateral trigeminal distribution pain and prominent ipsilateral autonomic features
Cluster headaches
Paroxysmal hemicrania
Hemicrania continua
SUNCT
Those with new onset unilateral and cranial autonomic features require
imaging MRI brain and MR angiogram to rule out aneurysm
List some headache red flags?
Any new onset headache in someone over age 55
Anyone with known/ previous malignancy
Immuno-suppressed
Early morning headache
Exacerbation by valsava (suggests increased ICP)
Headache that wakes you up
What is the most common cause of episodic headache?
Migraine
Pathophysiology of migraines?
it’s neurologic and basically results in waves of depolarisation across cortex that activate trigeminal pain receptors
Who are migraines more common in?
women
Criteria for diagnosis of migraine?
• Criteria for migraine without aura: at least five attacks lasting 4-72 hours with
2 of: moderate/ severe, unilateral, throbbing pain, worse with movement
1 of: autonomic features, photophobia, or phonophobia
25% of migraine sufferers have
auras
Describe migraine auras?
can be visual which is most common e.g. scotomas, central fortification, hemianopia
also get sensory and motor auras
these auras usually last 20-60 mins and are followed by the headache phase
Describe some triggers for migraines?
sleep deprivation, skipping meals, alcohol, hormones (oestrogen), physical exertion
Describe some non pharmacologic treatment of migraines?
headache diary, education on avoiding triggers, relaxation, stress management
Describe some acute abortive treatments for migraines?
NSAIDs or triptans (however shouldn’t overuse as can get medication overuse headaches)
Describe prophylactic drugs for migraines?
1st line > amitriptyline
2nd line > propranolol
3rd line > topiramate
What type of headache is the classic everyday headache one might complain of?
tension headache
Describe the features of tension headaches?
Mild to moderate pain, bilateral, tight band sensations, pressure behind the eyes, bursting sensation (absence of photophobia, photophobia, nausea and vomiting)