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.
Study examines role of plastic exposure in irregular heart rhythms, arrhythmias

Study examines role of plastic exposure in irregular heart rhythms, arrhythmias

Scientists discover how resistance to the chemotherapy drug 5-fluorouracil arises

Scientists discover how resistance to the chemotherapy drug 5-fluorouracil arises

Research opens possibility of developing single-dose gene therapy for inherited arrhythmias

Research opens possibility of developing single-dose gene therapy for inherited arrhythmias

Hesperos' multi-organ model correctly determine cardiotoxic mechanisms

Hesperos' multi-organ model correctly determine cardiotoxic mechanisms

Novel population-based approach to examine families where AF occurs with left atrial fibrosis

Novel population-based approach to examine families where AF occurs with left atrial fibrosis

Study identifies risk factors for cardiotoxicity with relapsed multiple myeloma therapy

Study identifies risk factors for cardiotoxicity with relapsed multiple myeloma therapy

Heart failure drug could be effective in treating leukemia

Heart failure drug could be effective in treating leukemia

UA physician-scientist receives grant to study sleep apnea and heart health

UA physician-scientist receives grant to study sleep apnea and heart health

Fainting during pregnancy may indicate issues for both the baby and mother's health

Fainting during pregnancy may indicate issues for both the baby and mother's health

Energy drinks may increase blood pressure and risk of electrical disturbances in heart

Energy drinks may increase blood pressure and risk of electrical disturbances in heart

Fainting during pregnancy could be more serious than earlier believed finds study

Fainting during pregnancy could be more serious than earlier believed finds study

New algorithm guides catheters to accurately locate atrial fibrillation sources

New algorithm guides catheters to accurately locate atrial fibrillation sources

Study aims to optimize device implantation in patients with atrial fibrillation and stroke risk

Study aims to optimize device implantation in patients with atrial fibrillation and stroke risk

Bariatric surgery before AF ablation reduces arrhythmia recurrence risk

Bariatric surgery before AF ablation reduces arrhythmia recurrence risk

Web-based intervention opens way to improve well-being of heart-failure patients

Web-based intervention opens way to improve well-being of heart-failure patients

Stress-related disorders increase risk of cardiovascular disease by 60%

Stress-related disorders increase risk of cardiovascular disease by 60%

Stress related disorders linked to multiple types of cardiovascular disease

Stress related disorders linked to multiple types of cardiovascular disease

Scientists identify biomarkers to predict risk of atrial fibrillation

Scientists identify biomarkers to predict risk of atrial fibrillation

New computer program predicts risk of life-threatening arrhythmias

New computer program predicts risk of life-threatening arrhythmias

Lithuanian researchers develop smart wrist-worn device for monitoring atrial fibrillation

Lithuanian researchers develop smart wrist-worn device for monitoring atrial fibrillation