News tagged with qt interval
Scientists ID ten genes associated with a risk factor for sudden cardiac death
Mar 22, 2009 |
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(PhysOrg.com) -- One minute, he's a strapping 40-year-old with an enviable cholesterol level, working out on his treadmill. The next, he's dead.
Rhythm abnormality of unknown origin strongly predicts sudden death risk in heart disease patients
Feb 02, 2009 |
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Researchers conducting a large, ongoing study to improve detection and prevention of sudden cardiac death were surprised to discover that a specific heart rhythm abnormality - idiopathic QT interval prolongation - increased ...
Effects of anesthesia on the heart
Oct 27, 2008 |
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Researchers at Rhode Island Hospital have created the first animal model that can reveal the side effects of anesthetic agents (the substances used to block pain during surgery) in individuals genetically predisposed to sudden ...
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Accelerators and Light Sources of Tomorrow (Part 1: From Linacs to Lasers)
Dec 22, 2009 |
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From their humble beginnings as offshoots of the ordinary electric light bulb, particle accelerators have evolved in surprising directions. Among the most productive and promising developments have been light ...
Shift working aggravates metabolic syndrome development among middle-aged males
Dec 17, 2009 |
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Shift work exposures can accelerate metabolic syndrome (MetS) development among the large population of middle-aged males with elevated alanine aminotransferase (ALT). Elevated serum alanine aminotransferase (e-ALT) is a ...
Micromachined piezoelectric harvester drives fully autonomous wireless sensor
Dec 15, 2009 |
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For the first time, a piezoelectric harvesting device fabricated by MEMS technology generates a record of 85μW electrical power from vibrations. A wafer level packaging method was developed for robustness. ...
Smoking continues gradual decline among U.S. teens, smokeless tobacco threatens a comeback
Dec 14, 2009 |
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(PhysOrg.com) -- Teen smoking reached its recent peak levels around 1996 and 1997, followed by a sharp decline for about six years and a continued more gradual decline ever since, according to the latest Monitoring the Future ...
Fossils on the Edge of Forever
Space & Earth / Earth Sciences
Dec 14, 2009 |
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Astrobiologists have not yet found alien life on other planets. But the fossil record has evidence of aliens of another sort: the Ediacarans that lived on Earth millions of years ago.
Study on land plant fossils shows Paleoasian Ocean disappeared about 251 million years ago
Space & Earth / Earth Sciences
Dec 08, 2009 |
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A latest discovery of land plant fossils from Heilongjiang, Northeast China shows that the Siberian Plate sutured with the North China Plate at the end of the Permian, and resulted in the final closure of the Paleoasian Ocean ...
Absence of evidence for a meteorite impact event 13,000 years ago
Space & Earth / Earth Sciences
Dec 08, 2009 |
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An international team of scientists led by researchers at the University of Hawaii at Manoa have found no evidence supporting an extraterrestrial impact event at the onset of the Younger Dryas ~13000 years ...
Gift Guide: Tech gadgets can boost your workouts
Electronics / Consumer & Gadgets
Dec 05, 2009 |
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(AP) -- In simpler times, maintaining good health was a matter of joining a gym or lacing up running shoes for a loop in the park. At most, you'd buy a watch with a digital display so you could time your laps.
Repeat negative CT scan for lung cancer does not encourage ex-smokers to resume the habit
Dec 04, 2009 |
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Assurance of a cancer-free status did not prompt people participating in a long-term computerized tomography (CT) lung-cancer screening program to pick up their cigarettes again, researchers wrote in a study published in ...
New CRC screening combination increases detection by 10 percent
Dec 03, 2009 |
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The combination of sigmoidoscopy and fecal immunochemical test (FIT) detects advanced proximal (right-sided) tumors better than either test alone, according to a new study in Clinical Gastroenterology and Hepatology, the of ...
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