rbc, nuclear, scan…

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what the risks are an rbc nuclear scan, group of tests using small amounts of radioactive material to mark, tag, red blood cells, rbcs, body is then scanned to detect the location, flow, the tagged rbcs, nuclear ventriculography, exact procedure, depending on the reason, the scan, suspected problem, rbcs, tagged, radioisotope in 1 of 2 ways, a sample of blood withdrawn, person, in the standard venipuncture method, similar to getting a sample, blood test, rbcs, separated, rest, the blood components, mixed, the radioisotope, a short time later these tagged rbcs, reinjected into a vein, second method involves injection of a medication that sensitizes the rbcs, complex chemical reaction, permits the rbcs to accept the radioisotope, attach the isotope, cell membrane, isotope is injected into a vein 15, 20 minutes later, scanning performed, after a delay, a series, scans performed, whole body, particular locations scanned depending on the indications, person lies on a table the scanner detects the location, radiation emitted by the tagged rbcs, must sign a consent form, wear a hospital gown, remove jewelry, metallic objects, the scan, a sharp prick, needles used, blood withdrawal, injection, not feel the radioisotope, imaging, the table cold, hard, must lie still, scan, this test, often performed to locate the site of bleeding in patients, blood loss, colon, small bowel, a variation on this test performed to check the function, the heart, ventriculogram, a normal exam shows the patient is not bleeding rapidly, intestines, radiologist, attending physician, determine abnormalities, the scan findings, scan, commonly used, the site of bleeding, particularly bleeding, the gastrointestinal tract, an rbc scanning is also used, part of nuclear ventriculography, scans, risks, essentially the same, x-rays, radiation, intravenous injection, blood sampling, very slight exposure to radiation, radioisotope, radiation is minimal, materials "decompose", become no longer radioactive, very short time, virtually all radioactivity is gone, 12 hours, no documented cases of injury from exposure to radioisotopes, scanner only detects radiation, does not emit any radiation, the slight radiation exposure, most nuclear scans, an rbc scan, not recommended, pregnant, breastfeeding, radioisotope excreted in breast milk, minor risk that occurs whenever the body is penetrated, blood sampling, injection of materials, risk mainly involves, chance, infection, bleeding, site, risk, an rbc scan is no greater than, blood is sampled, material is injected into a vein, reasons, extremely rarely, experience an allergic reaction, radioisotope, anaphylaxis person is extremely sensitive, substance, scans, repeated over 1, 2 days to detect gastrointestinal bleeding.