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Coloured SPECT scan of ischaemic heart muscle

Coloured SPECT scan of ischaemic heart muscle

M172/0316

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Credit

OUELLETTE & THEROUX, PUBLIPHOTO DIFFUSION / SCIENCE PHOTO LIBRARY OUELLETTE & THEROUX, PUBLIPHOTO DIFFUSION / SCIENCE PHOTO LIBRARY

Caption

Ischaemia of heart muscle. Coloured SPECT (single photon emission computed tomography) scans of ina- dequate blood flow (ischaemia) and tissue death (necrosis) in the muscle of the human heart. Eight "slices" of each 3 axial planes are seen at right. Vertical & horizontal scans show a yellow horseshoe shape in a normal heart (see P216/235). Ischaemia is seen as a blue patch on the right of each vertical and top of each horizontal scan. A SPECT scan is made by injecting a radioactive tracer (technetium-99m) into the blood to label red blood cells. Blood flow rate, visualised by a gamma camera, is fast (yellow) or slow (blue).

Release details

Model release not required. Property release not required.

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