Pet Scan (temporal) Of Carbon Monoxide Poisoning #2
by Tim Beddow/science Photo Library
Title
Pet Scan (temporal) Of Carbon Monoxide Poisoning #2
Artist
Tim Beddow/science Photo Library
Medium
Photograph - Photograph
Description
Positron emission tomography (PET) scan of the brain (temporal lobe level) of a patient poisoned by carbon monoxide gas. This gas is common in car exhaust fumes. The colour-coded scan through this cerebral layer shows brain activity: from low (blue) to high (yellow). PET scanning relies on an injected radioactive tracer to reveal variations in metabolic activity in the brain. Normal brain activity produces a roughly symmetrical pattern in the yellow areas of left (upper) & right cerebral hemispheres. This scan shows reduced activity in one hemisphere. Carbon monoxide gas deprives brain tissues of oxygen, and may lead to permanent brain damage or even death.
Uploaded
February 22nd, 2021
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