Migraine and Headache

Posted by e-Medical PPT Friday, August 6, 2010
Migraine is a neurological syndrome characterized by altered bodily perceptions, severe headaches, and nausea. Physiologically, the migraine headache is a neurological condition more common to women than to men.The typical migraine headache is unilateral and pulsating, lasting from 4 to 72 hours.Common clinical presentation include nausea, vomiting, photophobia and phonophobia.Approximately one-third of people who suffer from migraine headaches perceive an aura—unusual visual, olfactory, or other sensory experiences that are a sign that the migraine will soon occur.

There are seven subclasses of migraines
* Migraine without aura, or common migraine, involves migraine headaches that are not accompanied by an aura.
* Migraine with aura usually involves migraine headaches accompanied by an aura. Less commonly, an aura can occur without a headache, or with a non-migraine headache.
Two other varieties are Familial hemiplegic migraine and Sporadic hemiplegic migraine, in which a patient has migraines with aura and with accompanying motor weakness.
Another variety is basilar-type migraine, where a headache and aura are accompanied by difficulty speaking, vertigo, ringing in ears, or a number of other brainstem-related symptoms, but not motor weakness.
* Childhood periodic syndromes that are commonly precursors of migraine include cyclical vomiting (occasional intense periods of vomiting), abdominal migraine (abdominal pain, usually accompanied by nausea), and benign paroxysmal vertigo of childhood (occasional attacks of vertigo).
* Retinal migraine involves migraine headaches accompanied by visual disturbances or even blindness in one eye.

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