An 83-year-old woman developed an acute subdural hematoma—when blood accumulates between the brain and its outer covering (the dura)—from a potentially fatal fall. To save her life, Dr. Carlos A. Rodríguez-Alvarez surgically removed part of the bone from her skull to get access to her brain in what is known as a craniotomy. Once that was done, he performed a subdural evacuation by removing the blood clot with irrigation.

WARNING: This video is not for the squeamish.

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Did you get that? Not for the squeamish.

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Okay. You can watch it now.