Arrhythmia News and Research

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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.
Catheter interventions help to prevent stroke

Catheter interventions help to prevent stroke

Advice to cardiac patients regarding sports and exercise

Advice to cardiac patients regarding sports and exercise

Beta-blockers top choice for prevention and rate control for postoperative atrial fibrillation

Beta-blockers top choice for prevention and rate control for postoperative atrial fibrillation

Innovation that helps locate and treat life-threatening heart arrhythmias

Innovation that helps locate and treat life-threatening heart arrhythmias

Human dummy to teach medics

Human dummy to teach medics

Study warns against global use of old asthma medicines for kids' coughs

Study warns against global use of old asthma medicines for kids' coughs

New research on atrial fibrillation

New research on atrial fibrillation

Radiofrequency ablation (RFA) is an effective, longlasting treatment for small kidney tumors in selected patients

Radiofrequency ablation (RFA) is an effective, longlasting treatment for small kidney tumors in selected patients

Fish oil not a good idea for heart defibrillator patients

Fish oil not a good idea for heart defibrillator patients

Fish oil does not lower risk of serious heart rhythm abnormalities for patients with implantable defibrillators

Fish oil does not lower risk of serious heart rhythm abnormalities for patients with implantable defibrillators

High-tech imaging software locates more accurately the abnormal electrical impulses that produce heart arrhythmias

High-tech imaging software locates more accurately the abnormal electrical impulses that produce heart arrhythmias

Short term high pollution concentrations linked to dangerous heart arrhythmias

Short term high pollution concentrations linked to dangerous heart arrhythmias

Commonly used drugs raise the risk of cardiac problems

Commonly used drugs raise the risk of cardiac problems

Increased risk of sudden cardiac death from some non-cardiac drugs

Increased risk of sudden cardiac death from some non-cardiac drugs

Mutated gene causes serious heart disease in newborns

Mutated gene causes serious heart disease in newborns

Researchers have successfully induced adult heart-muscle cells to divide and multiply

Researchers have successfully induced adult heart-muscle cells to divide and multiply

Increased risk associated with combining carotid artery, coronary artery surgeries

Increased risk associated with combining carotid artery, coronary artery surgeries

Moderate hypothermia is a safe treatment following traumatic brain injury in children

Moderate hypothermia is a safe treatment following traumatic brain injury in children

Increased risk associated with combining carotid artery, coronary artery surgeries

Increased risk associated with combining carotid artery, coronary artery surgeries

Soy oil increases heart rate variability

Soy oil increases heart rate variability