Scintigram showing ischaemia post heart attack
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Scintigram showing ischaemia post heart attack
False-colour scintigram (gamma camera scan) of a human heart showing ischaemia (reduced blood flow) following myocardial infarction, the death of a section of heart muscle following a coronary thrombosis (a blockage 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 on image correspond to healthy heart muscle adequately supplied with blood. The yellow gap between red areas (bottom left) represents an ischaemic area
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6422707
© CNRI/SCIENCE PHOTO LIBRARY
Cardiac Heart Attack Heart Disease Infarction Ischaemia Myocardial Infarction Condition Disorder Health Care
EDITORS COMMENTS
This print captures the aftermath of a heart attack, revealing the extent of ischaemia in a human heart. The false-color scintigram showcases the distribution of radioactivity emitted by Thallium-201, a radionuclide injected into the patient. As different intensities of radiation strike the scintillator (a gamma camera), it emits light that is translated into this striking image. The red areas on display represent healthy sections of heart muscle that are adequately supplied with blood, functioning as they should. However, what catches our attention is the yellow gap nestled between these vibrant red regions at the bottom left corner. This yellow expanse signifies an area affected by ischaemia – reduced blood flow caused by a coronary thrombosis or blockage in one of the coronary arteries. Myocardial infarction, commonly known as a heart attack, leads to irreversible damage and death of part of the heart muscle. This scintigram offers valuable insight into understanding this life-threatening condition and its consequences on cardiac health. Through this visual representation provided by Science Photo Library, we gain a deeper appreciation for medical imaging techniques such as gamma camera scans and their vital role in diagnosing and monitoring various cardiovascular disorders. It serves as a reminder that advancements in medicine continue to shed light on complex diseases like heart disease while guiding healthcare professionals towards effective treatment strategies for patients worldwide.
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