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.
Radiation therapy can be used to treat patients with life-threatening heart rhythm

Radiation therapy can be used to treat patients with life-threatening heart rhythm

Powerful digital model replicates biological activity that precedes sudden cardiac death

Powerful digital model replicates biological activity that precedes sudden cardiac death

Heart rate variability measured by electrocardiogram can help differentiate bipolar from major depression

Heart rate variability measured by electrocardiogram can help differentiate bipolar from major depression

New research shows how a gene can fuel obesity in mice

New research shows how a gene can fuel obesity in mice

Eating too much black licorice can lead to heart issues, FDA warns ahead of Halloween

Eating too much black licorice can lead to heart issues, FDA warns ahead of Halloween

Study aims to improve early detection of atrial fibrillation

Study aims to improve early detection of atrial fibrillation

A computational approach to map arrhythmia-related excitations

A computational approach to map arrhythmia-related excitations

Penn researchers develop predictive model to help lung cancer patients avoid ED visits

Penn researchers develop predictive model to help lung cancer patients avoid ED visits

Compact mobile device for detecting arrhythmia to be retailed soon for consumer use

Compact mobile device for detecting arrhythmia to be retailed soon for consumer use

Most patients treated for atrial fibrillation have sleep apnea, study shows

Most patients treated for atrial fibrillation have sleep apnea, study shows

Researchers create first realistic model of the heart to simulate arrhythmia

Researchers create first realistic model of the heart to simulate arrhythmia

First realistic heart model may help better understand onset of cardiac arrhythmias

First realistic heart model may help better understand onset of cardiac arrhythmias

Beta blockers capable of reducing stress signaling may enhance effectiveness of immunotherapy

Beta blockers capable of reducing stress signaling may enhance effectiveness of immunotherapy

Catheter ablation provides better outcomes for AF patients than conventional drug therapies

Catheter ablation provides better outcomes for AF patients than conventional drug therapies

Symposium explores interaction between age-related cardiovascular dysfunction and diseases

Symposium explores interaction between age-related cardiovascular dysfunction and diseases

Abnormalities in kidney function linked to higher risk of developing atrial fibrillation

Abnormalities in kidney function linked to higher risk of developing atrial fibrillation

Wireless remote monitoring: the future for patients with atrial fibrillation?

Wireless remote monitoring: the future for patients with atrial fibrillation?

Indefinite NHS England 'evaluation process' denies access to life-saving treatment for high risk patients

Indefinite NHS England 'evaluation process' denies access to life-saving treatment for high risk patients

Scientists show that human heart's sinoatrial node is hardwired with backup system

Scientists show that human heart's sinoatrial node is hardwired with backup system

Study finds no significant benefits of cooling down cardiac arrest patients for 48 hours

Study finds no significant benefits of cooling down cardiac arrest patients for 48 hours