Cardiology

High levels of intense exercise may be unhealthy for the heart

There is growing evidence that high levels of intense exercise may be cardiotoxic and promote permanent structural changes in the heart, which can, in some individuals, predispose them to experience arrhythmias (abnormal ...

Cardiology

Screening a silent killer cuts risk of stroke and death

Screening for asymptomatic atrial fibrillation (AF) in people aged 65 and over and treating it with anticoagulant medications could greatly reduce the risk of stroke and premature death, say cardiologists in today's Journal ...

Cardiology

Predicting arrhythmias so as to prevent them

Researchers have discovered how to predict some cardiac arrhythmias several steps before they even occur. It's a finding that could lead to an improved cardiac device, with equipment designed to detect when arrhythmias are ...

Diseases, Conditions, Syndromes

Research finds high rate of Texas bugs carrying Chagas disease

A deadly parasite that causes Chagas disease is widespread in a common Texas insect, according to a new study by University of Texas at El Paso (UTEP) researchers. The finding suggests that the risk of Texans contracting ...

Cardiology

Study sheds light on atrial fibrillation symptoms, quality of life

Most patients with atrial fibrillation—the most common type of abnormal heart rhythm—experience multiple symptoms and decreased quality of life, according to a large, nationally representative study. The findings may ...

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