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.
Canadian researchers have suggested that the evidence which supports the protective benefit of fish oil is inconclusive and more research is needed.
The University of California, San Diego Medical Center is the first hospital in California to enroll patients in a multi-center clinical trial, sponsored by Angioblast Systems Inc., to examine the safety and feasibility of administering adult stems cells to treat congestive heart failure.
Hundreds of millions of people, mainly in developing countries, are disabled by infectious diseases, according to the World Health Organization.
Results from a Phase 3 study show that patients with metastatic breast cancer who were treated previously with an anthracycline in the adjuvant setting experienced a significant improvement in time to disease progression (TTP) and overall response rates after receiving a combination of DOXIL (doxorubicin HCl liposome injection) and docetaxel as compared to docetaxel alone.
A University of Iowa study provides insight into a calcium-sensing enzyme already known to play a role in irregular heartbeats and other critical functions.
A new study shows that atrial fibrillation--the most common form of sustained heart arrhythmia--can be caused in an unexpected way.
Researchers at the Burnham Institute for Medical Research have shown in both fruit flies and humans that genes involved in embryonic heart development are also integral to adult heart function.
When treatment options dwindle or are exhausted, terminally ill-patients often opt for pain management and comfort over life-extending therapies.
When treatment options dwindle or are exhausted, terminally ill-patients often opt for pain management and comfort over life-extending therapies. However, a team of researchers from Wake Forest University Baptist Medical Center, University of Rochester Medical Center and Unity Health System, report that a lack of thorough understanding about the laws governing end-of-life care may be leaving many medical providers with an ethical dilemma and causing some terminally-ill patients considerable, unnecessary pain.
Exercise training is safe in heart failure patients, does not significantly reduce hospitalization or death, but is associated with several improved clinical outcomes, even in those already receiving optimal medical care, researchers reported at the American Heart Association's Scientific Sessions 2008. The Heart Failure and A Controlled Trial Investigating Outcomes of Exercise Training (HF-ACTION) was presented as a late-breaking clinical trial.
UC San Diego Medical Center is currently enrolling patients in a Phase 2 clinical trial of an investigational drug for the treatment of advanced heart failure.
GE Healthcare continues to re-invent and re-imagine cardiology and the innovations that may help fuel the field through the future.
CV Therapeutics, Inc. has announced that the U.S. Food and Drug Administration (FDA) has approved a new, first line indication for Ranexa(R) (ranolazine extended-release tablets) for the treatment of chronic angina.
A study in the October 15 issue of the Journal of Clinical Sleep Medicine shows that respiratory sinus arrhythmia (RSA) is a significant predictor of insomnia in women with breast cancer and confirmed that longer nocturnal wake episodes were associated with a flatter diurnal cortisol slope.
The results of a post-hoc analysis of the data from the ATHENA study were presented today at the clinical trial update session of the European Society of Cardiology congress 2008, in Munich, Germany.
Catheter ablation is still associated with a substantial amount of complications, and more failure then sometimes reported. Perforation with catheters is especially important in atrial fibrillation. Robotic navigation could reduce these complications.
Sudden cardiac death (SCD) during sports activity is an uncommon, but catastrophic event. Different efforts to reduce the risk of SCD related to sports have been undertaken. What is the role of the exercise test in this context? What does a positive exercise test mean?
Researchers involved in the GISSI trial, concluded that simple, safe and cheap treatment with n-3 PUFA can provide a moderate beneficial advantage in terms of mortality and admission to hospital for cardiovascular reasons in patients with chronic heart failure, in a context of usual care.
Young competitive athletes are perceived by the general population to be the healthiest members of society. The possibility that highly trained athletes may have a potentially serious cardiac condition that can predispose to life-threatening tachyarrhythmias or sudden cardiac death seems paradoxical.
An emerging discipline of noninvasive cardiac imaging, molecular imaging, has evolved constantly in the last few years and is increasingly being translated from the preclinical to the clinical level.
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