what are the purposes of scan reading?
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- TIP sheetSKIMMING & SCANNING. Skimming and scanning are reading techniques that use rapid eye movement and keywords to move quickly through text for slightly different purposes. Skimming is reading rapidly in order to get a general overview of the material. Scanning is reading rapidly in order to find specific facts. While skimming tells you what general information is within a section, scanning helps you locate a particular fact.
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Single Photon Emission Computed Tomography (SPECT) The pictures will help your doctor see if your heart is getting enough blood or if blood flow is reduced because of narrowed arteries. A SPECT scan can be used to examine blood flow in your heart at rest and during exercise (called a nuclear stress test). If you can’t exercise, you’ll get a medicine to increase the blood flow in your heart as if you were exercising (called a chemical or pharmacologic stress).
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scan V/Q scan. Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia. scan. [skan] 1. to examine or map the body, or one or more organs or regions of it, by gathering information with a sensing device, such as a moving detector or a sweeping beam of radiation.
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scan 2 : to examine by point-by-point observation or checking:a : to investigate thoroughly by checking point by point and often repeatedly a fire lookout scanning the hills with binocularsb : to glance from point to point of often hastily, casually, or in search of a particular item scan the want ads looking for a job.
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SPECT (single photon emission computed tomography) scan A Single Photon Emission Computed Tomography (SPECT) scan is a type of nuclear imaging test that shows how blood flows to tissues and organs. A SPECT scan integrates two technologies to view your body: computed tomography (CT) and a radioactive material (tracer). The tracer is what allows doctors to see how blood flows to tissues and organs.
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- A nuclear heart scan is a test that provides important information about the health of your heart. For this test, a safe, radioactive substance called a tracer is injected into your bloodstream through a vein. The tracer travels to your heart and releases energy. Special cameras outside of your body detect the energy and use it to create pictures of your heart. Nuclear heart scans are used for three main purposes:
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- A liver and spleen scan is a nuclear scan that is done to look at these organs for disease. During a liver and spleen scan, a radioactive tracer substance is put into a vein in the arm. It moves through the blood to the liver and spleen.
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Computed Tomography (CT) CT scans can be used to identify disease or injury within various regions of the body. For example, CT has become a useful screening tool for detecting possible tumors or lesions within the abdomen. A CT scan of the heart may be ordered when various types of heart disease or abnormalities are suspected.
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Tips For Scanning Documents and Images Scanners capture a digital image of the contents on the surface. When scanning materials it is important to understand the concept of DPI (dots per inch). DPI is a specification used for printed (and scanned) media that determines quality.
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Overview A caution on walk-in heart scan clinics. The result of a heart scan is best used as one piece of information about your overall health and risk of heart disease. Some medical facilities and walk-in centers may advertise heart scans as an easy way to measure your risk of a heart attack.
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Ultrasound Scan 23. An ultrasound scan is a painless test that uses sound waves to create images of organs and structures inside your body. It is a very commonly used test. As it uses sound waves and not radiation, it is thought to be harmless. Doppler and duplex scans are used to visualise blood or fluids flowing through the body.
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Brain SPECT Page Content. A brain SPECT, or Single Photon Emission Computed Tomography, scan is used to detect altered blood flow in the brain. A SPECT scan is a nuclear medicine exam that uses a radioactive compound to diagnose some diseases of the brain. It is a form of radiology because radiation is used to capture pictures of the human body. Procedural Details You will be given a small dose of radioactive material through an intravenous (IV) line. This compound, called a tracer, collects in the brain and gives off gamma rays.
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What is a nuclear heart scan? A nuclear heart scan is a test that provides important information about the health of your heart. For this test, a safe, radioactive substance called a tracer is injected into your bloodstream through a vein.
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Single Photon Emission Computed Tomography (SPECT) A SPECT scan of the heart is a noninvasive nuclear imaging test. It uses radioactive tracers that are injected into the blood to produce pictures of your heart. Doctors use SPECT to diagnose coronary artery disease and find out if a heart attack has occurred. SPECT scan of the heart is a noninvasive nuclear imaging test. It uses radioactive tracers that are injected into the blood to produce pictures of your heart. Doctors use SPECT to diagnose coronary artery disease and find out if a heart attack has occurred.
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CT scan A CT scan of the heart is performed to gain knowledge about cardiac or coronary anatomy. Traditionally, cardiac CT scans are used to detect, diagnose or follow up coronary artery disease. More recently CT has played a key role in the fast evolving field of transcatheter structural heart interventions, more specifically in the transcatheter repair and replacement of heart valves.
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- A bone scan is an imaging test that safely uses a very small amount of radioactive dye to help diagnose problems with your bones. This test reveals problems with bone metabolism. The normal process of bone metabolism includes how bones are broken down and how they rebuild themselves.
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- Why nuclear medicine imaging is done. A nuclear medicine scan may be done to: 1  check the structure and function of tissues or organs, such as the brain, thyroid, lungs, heart, liver, spleen, kidney and bone. 2  detect disease in organs or bones. 3  find tumours, especially in the bones and thyroid.
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scan When you scan a subway car to see if your friend is on it, your eyes pass quickly across the riders. When you get a scan of your knee at the doctor's office, a much more detailed picture is taken, showing your bones, tendons, and muscles. You might need a medical scan if you are in an accident or have a terrible headache. One of the most common kinds of scans is performed on a pregnant woman, to check out the size and health of her fetus. This kind of scan is called an ultrasound or a sonogram..
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Cardiac SPECT What is a SPECT scan? Single Photon Emission Computed Tomography (SPECT) is a non-invasive procedure that can accurately identify areas of abnormal myocardial perfusion, determine the functional capacity of your heart muscle, and separate viable (living) from non-viable (irreversibly damaged) tissue.
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What is a nuclear heart scan? A nuclear heart scan is a test that provides important information about the health of your heart. For this test, a safe, radioactive substance called a tracer is injected into your bloodstream through a vein.The tracer travels to your heart and releases energy. Special cameras outside of your body detect the energy and use it to create pictures of your heart. Nuclear heart scans are used for three main purposes: When a nuclear heart scan is done for this purpose, it's called myocardial perfusion scanning. 2  To look for damaged heart muscle. 3  Damage might be the result of a previous heart attack, injury, infection, or medicine.
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SPECT-CT Scan Single photon emission computed tomography (SPECT): SPECT images are obtained following an injection of a radiopharmaceutical that is used for nuclear medicine scans. The injected medication sticks to specific areas in the body, depending on what radiopharmaceutical is used and the type of scan being performed, for example. it will show bone for a bone scan, and gall bladder and bile ducts for a hepatobiliary scan.
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- A liver scan - also known as a liver-spleen scan - uses nuclear radiology to assess the function and structure of the liver and surrounding organs. It may also be used to assess the progress of treatment for certain conditions.
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- 1 Contrast dyes are sometimes used to improve the clarity of the image. 2  CT scanning is particularly useful for getting detailed 3D images of certain parts of the body, such as soft tissues, blood vessels, and the brain. 3  The images created are analyzed by radiologists.
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What Is a PET Scan? Why a PET Scan Is Performed. Your doctor may order a PET scan to inspect the blood flow, oxygen intake, and metabolism of your organs and tissues. PET scans are most commonly used to detect cancer, heart problems, brain disorders, and problems with the central nervous system.
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What is a Bone Scan?-Purpose, Preparation, Procedure and Interpretation Bone scan is one of the nuclear scanning procedures used to detect various bone deformities or conditions. This procedure is highly sensitive to osteoblast activities that cause abnormal bone overgrowth in various parts of the body.