neuro clinics 34 migraine 1
DESCRIPTION
one of two part discussion of migraine headache dr Pratyush Chaudhuri. www.drpratyush.hpage.com for comments.TRANSCRIPT
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Dr Pratyush ChaudhuriDr Pratyush Chaudhuri
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NEJM 2002; 346(4): 257-269; XI Congress of the IHS, 2004
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Migraine Without Aura Migraine With Aura
No aura or Prodrome Aura or prodrome is present
Unilateral throbbing headache may be accompanied by nausea and vomiting
Unilateral throbbing headache and later becomes generalised
During headache, patient complains of phonophobia and photophobia
Patient complains of visual disturbances and may have mood variations
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MIGRAINE - PATHOPHYSIOLOGYVASCULAR THEORY
Intracerebral blood vessel vasoconstriction – aura
Intracranial/Extracranial blood vessel vasodilation – headache
SEROTONIN THEORY
Decreased serotonin levels linked to migraine
Specific serotonin receptors found in blood vessels of brain
PRESENT UNDERSTANDINGNeurovascular process, in which neural events result in activation of blood vessels, which in turn results in pain and further nerve activation
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NEUROVASCULAR PROCESS
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Arterial Activation
Release of Neurotransmitter
Worsening of Pain
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Strictly unilateral
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