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When electrical abnormalities cause abnormal heart rhythms, this is called a heart arrhythmia. Learn more about the different types of arrhythmia and possible treatments.
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When the heart stops pumping blood, it's called cardiac arrest.
Atrial fibrillation is a heart rhythm problem that causes irregular heartbeat (arrhythmia) and abnormal blood flow.
The number one cause of death in America is heart attack, and the top symptom of a heart attack is chest pain, so people should take such pains seriously.
Women face unique risks, warning signs and symptoms of heart disease. Here's what women—and men who care about them—need to know about this condition.
Some people faint from the sight of blood. But it can be caused by serious medical conditions. It's important to get to the root of a fainting incident.