99.6 MB (3.8 MB compressed)
7016 x 4961 pixels
59.4 x 41.9 cm ⏐ 23.4 x 16.5 in (300dpi)
JACOPIN / BSIP / SCIENCE PHOTO LIBRARY JACOPIN / BSIP / SCIENCE PHOTO LIBRARY
Illustration of the cause of a transient ischemic attack. An ischemic attack is a mini-stroke as a result of a thrombus, a clot that blocks a small blood vessel, preventing blood from flowing in the vessel. Transient ischemic attacks automatically die down in less than an hour and leave no after-effects or anomalies on brain imagery.
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