Low oxygen levels in the heart have long been known to produce life-threatening arrhythmias, even sudden death. Until now, it was not clear how.
Feb 18, 2020
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Researchers at the Fralin Biomedical Research Institute at Virginia Tech Carilion have revealed how a genetic message to produce healthy heart tissue is altered in the body during stress and aging to contribute to sudden ...
May 28, 2019
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Continuous indoor exposure to second-hand tobacco smoke triggers changes in the heart's electrical activity, known as cardiac alternans, that can predict cardiac arrhythmia and sudden cardiac death, a new study from UC Davis ...
Dec 27, 2018
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Molecular autopsies can reveal genetic risk factors in young people who unexpectedly die, but proper interpretation of the results can be challenging, according to a recent study published in Circulation.
Aug 15, 2018
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Johns Hopkins researchers report that the level, or "copy number," of mitochondrial DNA—genetic information stored not in a cell's nucleus but in the body's energy-creating mitochondria—is a novel and distinct biomarker ...
Oct 11, 2017
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When electrical waves in the heart run amok in a condition called arrhythmia, sudden death can occur. To save the life of a patient at risk, doctors currently implant a small defibrillator to sense the onset of arrhythmia ...
May 10, 2016
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Identifying mutations in the control switches of genes can be a surprisingly accurate way to predict a person's medical history, researchers at the Stanford University School of Medicine have found.
Feb 4, 2016
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The presence or absence of the CAP2 gene causes sudden cardiac death in mice, according to new research from the Perelman School of Medicine at the University of Pennsylvania. In particular, the absence of the gene interrupts ...
Dec 14, 2015
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The first report from a big public-private project to improve genetic testing reveals it is not as rock solid as many people believe, with flaws that result in some people wrongly advised to worry about a disease risk and ...
May 27, 2015
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What happens in the moments just before death is widely believed to be a slowdown of the body's systems as the heart stops beating and blood flow ends.
Apr 6, 2015
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