Estrogen replacement increases risk factors for arrhythmia and sudden death
...am called the QT interval, a part of the repeating electrical pattern of the heart that is measured in fractions of a second. Prolongation of the QT interval is associated with an increased risk for arrhythmia, coronary heart disease and sudden cardiac death. Carnethon is assistant professor of preventive med...SFVAMC researchers distinguish dementias using brain imaging
...e up the wiring of the brain. Active neurons carry electrical signals between different regions of the brain and produce a chemical called N-acetylaspartate, or NAA, which is not produced by other types of brain cells. The amount of NAA in a given region of the brain indicates the level of healthy neurons in th...Scientists develop greater accuracy in recording babys heart rates in the womb
...ence, such as from the mother's heart and external electrical sources. The equipment uses sophisticated filtering, amplification and signal systems making use of developments in computing and digital signal processing technologies to record this data. Dr Mark Smith, QinetiQ scientist, who led the team that de...UCI biomedical engineer receives $1.8 million grant
...ials science, civil and environmental engineering, electrical engineering and computer science, and mechanical and aerospace engineering. The school also is home to numerous research centers, including the Integrated Nanosystems Research Facility, Center for Pervasive Communications and Computing, National Fuel...Research pinpoints variations in sit-up techniques
...ght times, with sensors attached that detected the electrical signals of each muscle contraction. The signals were fed into a computer so that the exact muscle activation of each sit-up could be measured and recorded. The results surprised the researchers. For instance, they had theorized that considerable exer...Mapping the air to safeguard your looks, the environment and planes in flight
...c 'Ring of Fire'. Hot dust entered the cabin, the electrical discharge known as 'St Elmo's fire' shot from the wings to the instrument panel, and the engines shut down. Only after falling 6000 metres out of the dust were the engines able to restart, and even then the windscreen was so scratched their emergency...Wrist bands can ease cancer nausea, especially for patients who expect them to work
...of the wrist; the acustimulation band gives a mild electrical pulse to the same point. Such bands are sold at some drugstores but are not widely used in medicine. Participants in the study wore the bands on the day of their chemotherapy treatment and the following four days. About 85 percent of the study parti...Chemical & Engineering News 80th anniversary issue highlights periodic table
...sed in dental fillings, printed circuit boards and electrical connectors, it is, of course, used to make some of...echnology. Beryllium. This element has excellent electrical and thermal conductivities when combined with copper and nickel. But it is also considered one of th...Advances in MRI imaging may lead to new standards for faster diagnosis of multiple sclerosis
...em and protects nerve fibers, helping them conduct electrical impulses. During the progression of MS, myelin is ... either case, the ability of the nerves to conduct electrical impulses to and from the brain is disrupted, producing various symptoms of the disease....Sensory cells for hearing and balance are fast-developing, UVA researchers find
...rry calcium and potassium which together create an electrical charge sending hearing and balance signals to the brain; microscopic tip-links are formed that operate under tension to open the trap door channel; finally, tiny adaptation motors are formed that regulate sensitivity and allow sounds that range from ...On the horizon of glucose monitoring: A review
...n a watch-like device. The watch generates a small electrical field that attracts sodium ions along with water and glucose across the uppermost layer of the skin. This device requires a single fingerstick for calibration and measures glucose every three hours. An alarm to signals a person when blood glucose lev......rane generates an electric potential. The waves of electrical activity that sweep across the heart, telling muscle cells to contract, are generated when channels in the membrane open, allowing ions to flow across the membrane and depolarise the cells. Flooding the heart with potassium ions freezes its cells in ...Data supports extremely early intervention for multiple sclerosis patients
...n-specific [pins and needles sensations in a limb, electrical sensations, non-specific dizziness or extreme fatigue], suddenly appearing and then disappearing within a short period of time, only to recur and become obvious much later after the disease has already spread throughout the nervous system." To make ...Sudden cardiac death: New risk factor first identified in Illinois family by SLU cardiologist
...factor - a dramatic, short interval in the heart's electrical impulses - was originally diagnosed in a Collinsvi...en the risk of sudden cardiac death due to erratic electrical heart function. The surgery for Mary Hill, the mother in the family, will take place at Saint Louis ...Largest study to date finds radiofrequency ablation is best treatment for benign bone tumor
...-guided wire to the tumor site and transmitting an electrical current to destroy the lesion. Following the two-hour procedure, most patients are able to resume daily activities immediately. Dr. Rosenthal's study followed 263 patients undergoing RFA for osteoid osteoma over an 11-year period. Patients in the...Neurons that play truth or consequences
...ity either through the administration of drugs or electrical stimulation to small groups of neurons and observing the changes in behavior that result....Doris Duke Charitable Foundation selects Emory HIV/AIDS research team for innovation award
...countries where resources are scarce and where the electrical supply and refrigeration may be intermittent. We want to develop tests that can be used in resource-poor countries so they can also conduct high-quality monitoring of antiretroviral therapy." "All of the ongoing efforts to make antiretroviral therap...Device measures force used to deliver a baby
.... The electromyographic instrument, which measures electrical impulses in the muscles of the forearm, was devised and constructed by a team of undergraduates during a semester-long biomedical engineering design team course. Based on this achievement, four team members who made the most significant contributions...Vision-producing cells fail 'taste-test,' treat key light-detecting molecules identically
... a visual pigment, and ends when the cell emits an electrical signal. To set up the "taste test," the Hopkins re...tical characteristics -- the size and shape of the electrical signals it produces. Studying individual rods containing both the rod pigment, called rhodopsin, and......lmonary resuscitation (CPR). For many victims, an electrical shock to the heart from an AED is their only chance for survival. "PAD was used in only a small proportion of all treated out-of-hospital arrests, but the proportion increased over time," said Thomas D. Rea, M.D., M.P.H., an epidemiologist at the Div...