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What is a migraine?
- moderate to severe headache, proceded by period of depression, irritability, restlessness or anorexia
- associated with auras
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How long does a migraine last?
4-72hrs
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What is an aura?
a transient visual, sensory, language, or motor disturbance or language which signals that the headache will soon occur
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How long does an aura last?
1 hr
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What is important about an aura?
- always precedes a HA
- might be some delay in between <60min
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What is a migraine with an aura?
- classical migraine
- at least 2 epsiodes of migraine HA with aura with at least 3 of the following:
- aura <60mins, HA within 60mins of aura, gradual aura development, or several aura in succession
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What is a migraine without an aura?
- common migraine
- A least 5 eps of HA, each lasting 4-72 hrs with 2 of the following:
- aggravated physical activity, pulsatile, unilateral, mod-sever, photophobia, nausea/vomiting
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What is the prevalence of migraines?
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How do migraines change with age?
stop/less frequent
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What are the phases of migraines?
- Premonitory
- Aura
- Headache
- Recovery
- Postdome
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What is the premonitory phase?
symptoms related to various organ systems
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What is the aura phase?
sensory/motor disturbances
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What is the headache phase?
uni/bilateral frequently associated with photophobia, nausea, vomiting, aversion to smells and sounds
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What is the recovery phase?
often requires sleep/dark quiet room
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What is the postdrome phase?
feelings of food intolerance, lack of energy, moodiness
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Which type of aura is more common?
visual than motor
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How many of those with migraines will experience auras?
<50%
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What does a scintillating scotoma look like and how does it progress?
starts in centre of VF, enlarges, horseshoe with border of zigzags
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How many will have a diagnosis of migraines?
<50%
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