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Acephalgic migraine (also called migraine aura without headache, amigrainous migraine, isolated visual migraine, and optical migraine) is a neurological syndrome.It is a relatively uncommon variant of migraine in which the patient may experience some migraine symptoms such as aura, nausea, photophobia, and hemiparesis, but does not experience headache. [1]
The aura is usually followed, after a time varying from minutes to an hour, by the migraine headache. However, the migraine aura can manifest itself in isolation, that is, without being followed by headache. The aura can stay for the duration of the migraine; depending on the type of aura, it can leave the person disoriented and confused.
There are four possible phases of a migraine attack: prodrome, aura, attack and post-drome, the Mayo Clinic explains. Not everyone who gets a migraine attack will experience all four phases.
Scintillating scotoma is a common visual aura that was first described by 19th-century physician Hubert Airy (1838–1903). Originating from the brain, it may precede a migraine headache, but can also occur acephalgically (without headache), also known as visual migraine or migraine aura. [4]
People who get migraines might experience a visual cue called an aura before having a migraine, or in the midst of having a migraine. An aura is most commonly a symptom that temporarily affects ...
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Persistent aura without infarction (PAWOI) is a rare and seemingly benign [1] condition, first described in case reports in 1982 as "prolonged/persistent migraine aura status", [2] and in 2000 as "migraine aura status", [3] [4] that is not yet fully understood.
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