Migraine Flashcards

1
Q

def

A

severe episodic headache that may have a prodrome of focal neurological symptoms (aura)

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2
Q

how can migraine be classified

A

1 classical migraine
-headache + aura
2 common migraine
-headache + NO aura

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3
Q

aetiology

A

unknown

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4
Q

epi

A

females>males

adolescence/early adulthood

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5
Q

history

A
1 headache
-pulsating
-unilateral (mostly)
-lasts 4-72h
2 associated symptoms
-may be preceded by an aura which may include visual disturbances (flashing lights, spots, blurring) or sensory disturbances (tingling or numbness in limbs)
-N+V
-photophobia
-phonophobia
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6
Q

what might chronic daily headaches suggest

A

analgesia overuse headaches

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7
Q

what is the classical presentation of a classic migraine

A

1 aura preceding;
2 headache
-unilateral
-throbbing

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8
Q

what is the classical presentation of a common migraine

A
1 NO aura preceding;
2 headache
-often premenstrual
-unilateral
-photophobia
-phonophobia
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9
Q

examination

A

none

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10
Q

investigations

A
none
investigations (bloods, CT head, LP) for exclusion
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11
Q

what is prodrome

A

precedes headache by hours/days

  • fatigue
  • mood/sleep changes
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12
Q

what is an aura

A

precedes headache by minutes

  • visual disturbances
  • sensory disturbances
  • motor disturbances in basilar migraine
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13
Q

what are the triggers of migraine

A

CHOCOLATE

chocolate
hangovers
orgasms
cheese
oral contraceptives
lie-ins
alcohol
tumult
exercise
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14
Q

management

A

Conservative Treatment:
-warm/cold packs to the head
-rebreathing into paper bag
Medical Treatment:
-NSAIDs are first line (good as less risk of medication misuse headaches)
-5HT agonists (triptans and ergot alkoloids)
-12 weekly botulinum toxin type A as last resort for chronic migraine

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15
Q

what NSAIDs may be used in treatment of migraine

A

ketoprofen

aspirin

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16
Q

what triptans (5HT agonists) may be used in treatment of migraine

A

rizatriptan>sumatriptan

17
Q

what is the preventative treatment for migraines

A
remove triggers (CHOCOLATE)
avoidance of stress

if >2 migraines a month or no response to medication:

  • beta-blockers, amitriptyline are first line
  • sodium valproate, pizotifen are second line
18
Q

what sort of drug is pizotifen

A

a 5HT2 antagonist

19
Q

complications

A

decreased QOL

can progress to analgesia-overuse headache

20
Q

prognosis

A

chronic

majority of cases are well managed