Every thought, every movement, every heartbeat is controlled by lightning-quick electrical impulses in the brain, the muscles, and the heart. But too much electrical excitability in the membranes of the cells can cause things ...
Apr 24, 2012
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Although genome-wide association studies have linked DNA variants in the gene SCN10A with increased risk for cardiac arrhythmia, efforts to determine the gene's direct influence on the heart's electrical activity have been ...
Mar 20, 2014
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(HealthDay)—A hoped-for effect of fish oil supplements in preventing an irregular heartbeat that often follows heart surgery did not materialize in a major new trial.
Nov 5, 2012
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Black patients with implantable cardioverter defibrillators (ICDs) have a significantly higher burden of disease than white patients with the same device, according to a new study from University of Rochester Medical Center ...
Jul 17, 2023
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Whenever muscles contract, so-called ryanodine receptors come into play. Calcium ions, which are ultimately responsible for the contraction of muscle cells, are released from storage organs and flow through these ion channels. ...
Dec 2, 2014
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In a landmark study of atrial fibrillation, researchers from UCLA, UC San Diego and Indiana University report having found for the first time that these irregular heart rhythms are caused by small electrical sources within ...
Jul 18, 2012
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When patients under age 54 were hospitalized with abnormal heart rhythms, those who abused alcohol were 72% more likely to die before being discharged, according to preliminary research to be presented July 27-30, 2020, at ...
Jul 27, 2020
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Otherwise healthy people who exercise strenuously for more than 90 minutes suffer from a post-exercise drop in heart performance, but only in the right side of the heart, according to researchers at the University of Adelaide.
Mar 16, 2015
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The multi-billion-dollar global energy drink industry joined forces on Capitol Hill on Wednesday to fight off growing claims that their caffeine-rich products are hazardous to young people's health.
Jul 31, 2013
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Researchers have found a new gene mutation that leads to sudden infant death, which could unlock the case of Kathleen Folbigg—who is over halfway through a 30-year prison sentence for the murder and manslaughter of her ...
Nov 18, 2020
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