MRIs made safe for people with modern defibrillators and pacemakers
...akingly figured out how to safely perform magnetic resonance imaging (MRI) scans on men and women who have any one of 24 modern types of implanted defibrillators and pacemakers. Henry Halperin, M.D., and his team have developed a combination of methods that reduce the risk of life-threatening meltdowns and o...Annals of Internal Medicine tip sheet for Sept. 19, 2006
...sing multislice computed tomography (CT), magnetic resonance imaging (MRI), and conventional coronary angiography. The authors used conventional coronary angiography, in which a small tube is inserted into a blood vessel in the groin or arm and threaded to the heart or arteries supplying the heart, as the r...Brain's action center is all talk
...cruited 12 volunteers and used functional magnetic resonance imaging (fMRI) to compare the same areas of the premotor cortex in the same subject as the person observed an action and heard language describing the action. The premotor area involved during observation of a specific action, such as kicking, also...MRI can track survival of pancreatic islets after transplantation
Magnetic resonance imaging (MRI) with an approved contrast agent may provide a practical way of monitoring the survival of transplanted pancreatic islets. In the September issue of the journal Diabetes, researchers from the Martinos Center for Biomedical Imaging at Ma...Gamma Knife offers non-invasive treatment for vascular disorders, tumors in the brain
...nt, Ms. Coit underwent an angiogram and a magnetic resonance imaging scan of her brain, giving her team of physicians up-to-date diagnostic data to locate the precise target area for the treatment. The scans are entered into a computer program offering a three-dimensional image of the AVM in her brain and allo...Liver diagnosis breakthrough with Mayo Clinic MRI development
... have developed a new technique for using magnetic resonance imaging (MRI) to accurately measure the hardness or elasticity of the liver. First tests show this technology -- called MR Elastography (MRE) -- holds great promise for detecting liver fibrosis, a common condition that can lead to incurable cirrhosis...MRI on the cheap and on the go
...d Simon Rochester. MRI, which stands for magnetic resonance imaging, and its sister technology, nuclear magnetic resonance (NMR) spectroscopy, are based on a property of atomic nuclei with an unpaired proton or neutron call...Young brainy students create world first
...Yak scanned a fellow members' brain using magnetic resonance imaging (MRI) technology to construct their model....ful new neuroimaging technologies such as magnetic resonance have opened up a new window in understanding the organisation and inner workings of the body's most ...Anticipation plays a powerful role in human memory, brain study finds
...ers using a technique known as functional magnetic resonance imaging, which produces high-contrast images of human tissue. They began by showing the volunteers two kinds of signals. One was neutral, but the other indicated that some type of gruesome picture was soon to follow, such as explicit photos of bloody...Preoperative brain mapping alters tumor surgery
...nguage areas of the brain with functional magnetic resonance imaging (fMRI), surgeons can target brain tumors more effectively while reducing the risk of damaging important cognitive and motor processes, according to a study appearing in the September issue of Radiology. Half of the patients with brain tumors ...Multiple sclerosis damage found in 'normal' brain tissue
...n patients with MS can be visualized with magnetic resonance imaging (MRI). However, the volume of lesions visible at MRI only correlates moderately with clinical disability measurements," Dr. Vrenken said. "This may be due to disease activity outside the visible lesions." To gain a better understanding of ...Low birth weight babies with reduced occipital regional volumes at higher risk for visual impairment
...m equivalent, all study infants underwent magnetic resonance imaging to measure occipital regional brain volumes. Thirty-five percent of the infants were later found to have abnormal oculomotor control, including impaired saccades and binocular eye alignment, at two years of age. Compared with preterm infant...More than just pretty faces for this brain region, says Stanford researcher
...nford. Using high-resolution functional magnetic resonance imaging, Grill-Spector and colleagues imaged regions of the brain at a magnification of 27 to 70 times smaller than a traditional fMRI scan. Like viewing a grain of sugar rather than the whole cube, this allowed the team to "zoom in" on a hybrid of n...Childhood sleep apnea linked to brain damage, lower IQ
...nd word fluency (9.7 versus 12). Using magnetic resonance spectroscopic imaging, which plots peak levels of brain chemicals in the form of graphs, researchers compared the ratios between each two of three chemicals - N-acetyl aspartate (NAA), creatine and choline - in children with apnea and in those withou...Neurological effects of childhood sleep apnea
... and a group of children were assessed by magnetic resonance spectroscopy, a special form of brain imaging. C...luency. The special brain imaging (proton magnetic resonance spectroscopic imaging) showed decreases in the mean neuronal metabolite ratio of N-acetyl aspartate/...NIH funds $2 million magnetic resonance system at Yale
...) to fund the purchase of a 7-Tesla human magnetic resonance (MR) system that will facilitate ultra-high resolution studies of diabetes, epilepsy, psychiatric disease, and learning disorders. Under this program, the NCRR makes one-time awards to support the purchase of sophisticated instruments costing more ...Study provides evidence that autism affects functioning of entire brain
...an imaging technology known as functional magnetic resonance imaging, or fMRI, Dr. Minshew and her coworkers determined that adults with autism have abnormalities in the neurological wiring through which brain areas communicate. In those studies, the researchers found that people with autism had difficulty pe...MRI scans in premature infants can predict future developmental delays
... New Zealand and Australia found that the magnetic resonance imaging (MRI) scans were able to determine abnormalities in the white matter and gray matter of the brains of very pre-term infants, those born at 30 weeks or less. Following the infants from birth to age 2, the researchers were able to grade those a...Researcher studies sleep deprivation's effect on decisions
...rummond and his team also used functional magnetic resonance imaging in the morning and evening to map the brain's reaction. The imaging technique looks at oxygen use in the brain, so whatever part of the brain is being used, it needs more oxygen. "The brain is a system, a network of areas, all of which wor...Appropriateness criteria issued for cardiac computed tomography, cardiac magnetic resonance imaging
...iac computed tomography (CCT) and cardiac magnetic resonance imaging (CMR). These Criteria were developed in order to address the growth in biomedical imaging to ensure that it is appropriate to patient needs. "In response to the need for guidance in ordering and performing advance cardiac imaging procedu...