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Diagnostic Imaging Terms

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Angiography

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Use: To visualize the inside of blood vessels and organs. Description: Uses X-ray imaging after the injection of a contrast medium that makes blood vessels visible.

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Mammography

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Use: To detect breast cancer. Description: Specialized X-ray imaging that provides high-resolution images of breast tissue.

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Optical Coherence Tomography (OCT)

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Use: To capture micrometer-resolution images of the retina and anterior segment. Description: Non-invasive imaging technology using light waves to take cross-section pictures.

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X-ray

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Use: To view the structure of the bones, chest, and other areas. Description: A form of electromagnetic radiation that produces images of the inside of the body.

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MRI (Magnetic Resonance Imaging)

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Use: To view organs, soft tissues, bone and virtually all other internal body structures. Description: Uses a strong magnetic field and radio waves to create detailed images of the body.

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Thermography

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Use: To detect heat patterns and blood flow. Description: Infrared imaging that detects heat patterns and blood flow in body tissues.

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Electron Beam Computed Tomography (EBCT)

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Use: To measure the amount of calcium in the coronary arteries. Description: A fast and highly accurate CT scan to detect and quantify calcification within the coronary arteries.

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DEXA Scan (Dual-energy X-ray Absorptiometry)

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Use: To measure bone mineral density. Description: Uses low-dose X-rays to assess bone density and risk of osteoporosis.

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SPECT (Single Photon Emission Computed Tomography)

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Use: To create 3D images of internal organs. Description: A nuclear imaging technique that uses gamma rays and provides 3D images.

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Endoscopy

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Use: To directly visualize internal organs and structures. Description: Uses an endoscope, a flexible tube with a light and camera to inspect the inside of organ cavities.

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Fluoroscopy

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Use: To visualize moving body structures. Description: Uses continuous X-ray beams to create a real-time image of body structures.

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Functional MRI (fMRI)

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Use: To measure and map brain activity. Description: Detects changes in blood oxygenation and flow that occur in response to neural activity – when a brain area is more active it consumes more oxygen.

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Intravascular Ultrasound (IVUS)

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Use: To visualize the inside of blood vessels from within the vessel itself. Description: Uses a specially designed catheter with a miniaturized ultrasound probe attached to its distal end.

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Nuclear Medicine Imaging

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Use: To visualize and quantify organ function and structure. Description: Uses small amounts of radioactive materials called radiotracers that are typically injected into the bloodstream.

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Ultrasound

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Use: To monitor pregnancies and examine internal organs. Description: Uses high-frequency sound waves to create images of the inside of the body.

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CT Scan (Computed Tomography)

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Use: To get detailed images of internal organs, bones, soft tissue, and blood vessels. Description: Uses x-rays and computer technology to produce cross-sectional images of the body.

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PET Scan (Positron Emission Tomography)

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Use: To observe metabolic processes. Description: Uses radioactive tracers to visualize and measure changes in metabolic processes.

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MRI Diffusion Tensor Imaging (DTI)

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Use: To visualize white matter tracts in the brain. Description: An MRI-based neuroimaging technique that helps map the diffusion process of molecules, mainly water, in neural tissue.

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Digital Subtraction Angiography (DSA)

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Use: To visualize blood vessels and highlight any blockages. Description: An advanced form of angiography which uses digital image processing to subtract or remove structures not needed in the final image.

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Echocardiography

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Use: To assess the heart's function and structure. Description: Ultrasound imaging specifically used to view the heart and its movements and structures.

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