abdominal mri…

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what the risks are digestive system, mri scans, nuclear magnetic resonance, abdomen, nmr, abdomen, magnetic resonance imaging, abdomen, mri, the abdomen, abdominal magnetic resonance imaging, mri, noninvasive procedure, uses powerful magnets, radio waves to produce pictures, the inside, the abdomen, exposure to ionizing radiation, x-rays, mri uses radio waves very close in frequency to those of ordinary fm radio stations, scanner must be located, a specially shielded room to avoid outside interference, patient lies on a narrow table which slides into a large tunnel-like tube, the scanner, small devices placed around the head, arm, leg, adjacent to other areas to be studied, special body coils which send, receive the radio wave pulses, designed to improve the quality, the images, an iv placed, small vein, the hand, forearm, contrast medium, a technologist, operate the machine, observe the patient, adjacent room, entire study, several sets of images, each taking from 2-15 minutes, a complete scan, depending on the sequences performed, contrast enhancement, take 1 hour, newer scanners complete the process in less time, no preparatory tests, diets, medications, the colon needs to be cleansed, preparations laxative, an enema, an mri, performed immediately after other imaging studies, depending on the area of interest, patient asked, fast, 4 to 6 hours, scan, the strong magnets used in mri, certain metallic objects, not allowed, room, items jewelry, watches, credit cards, hearing aids, pins, hairpins, metal zippers, similar metallic items, distort the images, removable dental work, taken out, scan, pens, pocketknives, eyeglasses, become dangerous projectiles, the magnet is activated, should not accompany the patient, scanner area, strong magnetic fields, displace, disrupt the action of implanted metallic objects, people, cardiac pacemakers cannot be scanned, should not enter the mri area, mri also should not be used, metallic objects in bodies inner ear, cochlear, implants, brain aneurysm clips, artificial heart valves, older vascular stents, placed artificial joints, sheet metal workers, similar potential exposure to small metal fragments, first be screened, metal shards, the eyes, x-rays, the skull, sign a consent form confirming that none, above issues apply, the study, a hospital gown recommended, patient allowed to wear clothing, metal fasteners, infants, children, test depends on child's age, prepare child, infant test, procedure preparation, birth to 1 year, toddler test, procedure preparation, 1 to 3 years, preschooler test, procedure preparation, 3 to 6 years, schoolage test, procedure preparation, 6 to 12 years, adolescent test, procedure preparation, 12 to 18 years, no pain, cannot feel the magnetic field, radio waves, primary possible discomfort, claustrophobic feeling that some experience from inside the scanner, table hard, cold, request a blanket, pillow, machine produces loud thumping, humming noises, normal operation, ear plugs, given to reduce the noise, a technologist observes the entire procedure, spoken to, an intercom, in the scanner, mri scanners, equipped, televisions, special headphones to help time pass, excessive movement, blur mri images, certain artifacts, patient has difficulty lying still, very anxious, an oral, intravenous sedative given, no recovery time, sedation was necessary, after an mri scan, resume normal diet, medications, mri provides detailed pictures of soft tissues, obstruction by bone, clarify findings from previous x-ray studies, ct scans, demonstrate wide areas, the abdomen from multiple viewpoints, mri, evaluate certain organ functions, clearly shows lymph nodes, blood vessels, noninvasive imaging method, evaluation of blood flow, mri used in diagnosing abnormal growths, distinguish tumors from normal tissues, provide information, the staging, determination, the size, extent, spread, abdominal tumors, mri is sometimes, avoid the dangers of angiography, repeated exposure to radiation, patients who cannot receive iodinated contrast dye, sensitivity of mri depends, in part, on the experience, the radiologist, abdominal mri, reveal many disorders, obstructed vena cava, renal vein thrombosis, renal arterial obstruction, hydronephrosis, kidney enlargement from reflux of urine, glomerulonephritis, inflammation, the kidney glomeruli, acute tubular necrosis, extent of tissue damage in organ, kidney, transplant rejection, pancreatic cancer, adrenal masses, mass, tumor, the gallbladder, tumors, masses, differentiates cancer from lesions, staging of prostate, uterine, bladder cancer, lymphadenopathy, abnormalities, the lymph nodes, portal vein obstruction, liver, enlarged spleen, liver, distended gallbladder, bile duct, gallstones, bile duct stones, focal diseases abscess, hemangiomas, additional conditions under which the test performed, abdominal aortic aneurysm, acute renal failure, adenomyosis, atheroembolic renal disease, carcinoma, the renal pelvis, ureter, chronic renal failure, cystinuria, hydatidiform mole, injury, the kidney, ureter, insulinoma, islet of langerhans' tumor, medullary cystic disease, multiple endocrine neoplasia, men, ii, multiple endocrine neoplasia, men, i, nephrolithiasis, ovarian cancer, pheochromocytoma, skin lesion of histoplasmosis, no ionizing radiation involved in mri, have been no documented significant side effects, the magnetic fields, radio waves used on the human body to date, most common mr intravenous contrast agent, gadolinium, very safe, there have been documented allergic reactions to it, extremely rare, sedation is used, associated risks of over-sedation, technologist monitors the patient's vital signs, heart rate, respiration, the effects of strong magnetic fields on a fetus, not well documented at this time, pregnant women, advised to avoid mri scans, mri, not recommended, acute trauma situations, traction, life-support equipment cannot safely enter the scanner area, scan times, relatively lengthy, mri is more accurate than a ct scan, tests, certain conditions but less accurate, function, the small, large bowel, intestines, not readily visible, disadvantages include the high cost, long duration, the scan, sensitivity to movement, claustrophobia, confused, anxious, have difficulty lying still, the relatively long scan times, mri is not portable, cannot be taken, patient must come, scanner, incompatible, metallic implants, life-support devices, traction apparatus, similar equipment, mri is superior in most cases, differentiation of soft tissues, view organs that obscured by bone, foreign bodies on conventional x-rays, ct scans, capable of showing the tissues from multiple viewpoints, noninvasive way to evaluate blood flow.