An arrhythmia is a problem with the speed or rhythm of the heartbeat. During an arrhythmia, the heart can beat too fast, too slow, or with an irregular rhythm. A heartbeat that is too fast is called tachycardia. A heartbeat that is too slow is called bradycardia. Most arrhythmias are harmless, but some can be serious or even life threatening. When the heart rate is too slow, too fast, or irregular, the heart may not be able to pump enough blood to the body. Lack of blood flow can damage the brain, heart, and other organs.
The PhD, defended by engineer Sofia Ruiz de Gauna Gutierrez at the University of the Basque Country (UPV/EHU) puts forward various methods for the elimination of interference caused by compressions and ventilations of cardiopulmonary resuscitation in the context of cardiac defibrillation.
Research funded by the Wellcome Trust has provided a number of promising new drug targets for Huntington's disease, a neurodegenerative disease.
Some medical devices such as implantable cardiac defibrillators and pacemakers are now equipped with wireless technology, allowing for remote device checks and freeing patients from repeated doctor visits.
A research team from the Cedars-Sinai Heart Institute, Johns Hopkins University and China Medical University and Hospital in Taiwan have described for the first time the mechanisms by which variants of a specific gene, CAPON or NOS1AP, can disrupt normal heart rhythm.
Less than one fourth of physicians specializing in geriatrics, internal or family medicine or cardiology believe they can accurately predict the whether patients with heart failure are at risk of dying, new Saint Louis University research found.
An enzyme released by mast cells in the lungs appears to play a key role in the tightening of airways that is a hallmark of asthma pointing to a potential new target for treatment against the illness.
An enzyme released by mast cells in the lungs appears to play a key role in the tightening of airways that is a hallmark of asthma pointing to a potential new target for treatment against the illness.
An enzyme released by mast cells in the lungs appears to play a key role in the tightening of airways that is a hallmark of asthma -- pointing to a potential new target for treatment against the illness.
Celebrex, a popular arthritis drug that blocks pain by inhibiting an enzyme known as COX-2, has been shown in laboratory studies to induce arrhythmia, or irregular beating of the heart, via a novel pathway unrelated to its COX-2 inhibition.
Stereotaxis, Inc. has announced that the Company has been advised that the U.S. Food and Drug Administration (FDA) has approved its partnered magnetic irrigated catheter for use in mapping and ablation in the United States.
Methadone is a possible cause of sudden cardiac death even when it isn't overdosed but is taken at therapeutic levels primarily for relief of chronic pain or drug addiction withdrawal, a new study by Oregon Health & Science University researchers suggests.
An estimated 750,000 hospitalized patients experience cardiac arrest and undergo CPR annually, and less than 30 percent of those leave the hospital alive.
Scientists funded by the Biotechnology and Biological Sciences Research Council (BBSRC) at Imperial College London have overcome two significant obstacles on the road to harnessing stem cells to build patches for damaged hearts.
In as many as one in five people over age 55, when the heart contracts to send blood around the body, some degree of backward leakage occurs across the mitral valve, a condition known as mitral regurgitation (MR).
In as many as one in five people over age 55, when the heart contracts to send blood around the body, some degree of backward leakage occurs across the mitral valve, a condition known as mitral regurgitation (MR).
CV Therapeutics, Inc. has announced that the U.S. Food and Drug Administration (FDA) has notified the Company that it will evaluate the approval of potential anti-arrhythmic claims for Ranexa (ranolazine extended-release tablets) as part of its ongoing review of the Company's supplemental new drug application (sNDA).
When researchers at Cornell, the University of Bonn and the University of Pittsburgh transplanted living embryonic heart cells into cardiac tissue of mice that had suffered heart attacks, the mice became resistant to cardiac arrhythmias, thereby avoiding one of the most dangerous and fatal consequences of heart attacks.
VTT Technical Research Centre of Finland and A*STAR Agency for Science, Technology and Research from Singapore have developed remote healthcare services that allow patients to be treated globally independent of time and location and irrespective of the solutions provided by hardware and data system suppliers. In Finland, the first trial services for treating cardiac patients and patients suffering from chronic illnesses have been promising.
Everyone loves a two-fer, but a two-in-one heart test that has the potential to save lives is the real deal.
In a new study, UC Davis researchers report the first functional evidence that heart cells derived from human embryonic stem cells exhibit one of the most critical properties of mature adult heart cells, an important biological process called excitation-contraction coupling.
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