Thread by @neudrawlogy

Welcome to the #NeudrawlogyMigraineEdition, part 2! 🤕🧠

Aura is a Greek 🇬🇷 word and deity that means breeze 🌬, and in medicine, it is a symptom that occurs in up to 25% of people with migraine.

A 🧵! 1/7

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1/ Like a breeze 🌬 precedes a storm ⛈, the aura usually precedes the headache in up to 60 min.
But not always.
It can also:
- Occurs alone, not followed by any headache
- Occurs during the headache episode

2/ 👀 Visual symptoms are the most common. They occur in over 90% of patients with migraine with aura, are bilateral and can be either positive (scintillations, flashes, etc.) or negative (like scotomas).

3/ One common visual aura symptom is the fortification spectrum. It consists of zigzag ⦚⦚ lines that gradually enlarges and can either be colored 🌈 or black-and-white 🦓.

4/ Interesting fact: the name fortification spectrum comes from the resemblance to a medieval fortress 🏰.

5/ ⌛️If you are curious about how an aura can be, you can look at Dr. Hubert Airy’s drawings. He is a 19th-century physician who became famous as one of the first to document his auras episodes by drawing them (full link below).

https://twitter.com/natgeo/status/1061287440126828546?lang=en

6/ This is the end of #NeudrawlogyMigraineEdition, part 2. Tune in tomorrow to another important aspect of migraines!

7/ 📚References (1/3):
- Fraser CL, Hepschke JL, Jenkins B, Prasad S. Migraine Aura: Pathophysiology, Mimics, and Treatment Options. Semin Neurol. 2019;39(6):739-748. doi:10.1055/s-0039-1700525

7/ 📚References (2/3):
- Charles A. The Migraine Aura. Continuum (Minneap Minn). 2018;24(4, Headache):1009-1022. doi:10.1212/CON.0000000000000627
en.wikipedia.org/wiki/Aura_(myt…

nationalgeographic.com/science/articl…

7/ 📚References (3/3)
- Headache Classification Committee of the International Headache Society (IHS) The International Classification of Headache Disorders, 3rd edition. Cephalalgia. 2018;38(1):1-211. doi:10.1177/0333102417738202

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