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F/C scintigram of human heart

F/C scintigram of human heart

M172/0020

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Credit

CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY

Caption

False-colour scintigram (gamma camera scan) of a human heart showing ischaemia (reduced blood flow) & myocardial infarction, the death of a section of heart muscle resulting from an obstruction in a coronary artery - a heart attack. The image displays the distribution of radioactivity emitted by a previously-injected radionuclide, Thallium- 201, according to the amount of light given off by a scintillator (a gamma camera) as it is struck by radiations of different intensities. The red areas represent heart muscle with an adequate blood supply; a healthy heart would appear as a red horseshoe. Here, the horseshoe is incomplete, with only an isolated red area on the left.

Release details

Model release not required. Property release not required.

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