Health TopicsCirculatory system

Circulatory system

Learn everything you need to know about the circulatory system.

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Why a rapid heartbeat increases your risk for stroke
AFib and atrial flutter share certain symptoms and complications but it’s important to learn how the...

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5 surprising threats to your heart health
These lesser-known factors may increase your risk of heart disease.

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What you should know about heart failure
Learn about the causes and symptoms of this common condition and how it can be managed.

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Should you worry when your heart “skips a beat”?
Learn what’s really happening—and when this sensation is cause for alarm.

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When heart palpitations signal a more serious problem
Learn about the warning signs of V-tach, and when this abnormally fast heart rhythm may be life-thre...

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Is it a heart attack, cardiac arrest or heart failure?
These common conditions sound similar—but they’re very different.

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Heart failure and heart rhythm: the link you need to know about
If you have one, you should watch out for the other. Here’s why.

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6 foods that can help lower blood pressure
These simple swaps can reduce your heart disease risk.

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Do you need to see an electrophysiologist?
These doctors are specially trained to diagnose and treat conditions that affect the heart’s electri...