Teaching NeuroImages: "Subarachnoid hemorrhage" from decreased contrast elimination after therapeutic hypothermia
Neurology current issue
A 50-year-old woman underwent therapeutic hypothermia after a witnessed cardiac arrest and cardiac catheterization. A 24-hour head CT (figure 1) showed diffuse hyperattenuation in the subarachnoid space and was reported as subarachnoid hemorrhage. Repeat CT at 48 hours (figure 2) showed significant clearing of the "subarachnoid hemorrhage."
Original Article: http://www.neurology.org/cgi/content/short/82/5/e44?rss=1
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