Health TopicsCirculatory system

Circulatory system

Learn everything you need to know about the circulatory system.

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Are spider veins anything to worry about?
Spider veins are common and usually harmless. But if you’re bothered by them, here’s what you can do...

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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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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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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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6 lifestyle changes to help keep your heartbeat steady
When your heart rate increases unexpectedly, learn what could be to blame and how to help keep your ...

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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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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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Some irregular heartbeats may trigger cardiac arrest
Learn why problems with the heart’s electrical signals could cause it to stop beating.

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Why an irregular heartbeat could make you pass out
Learn why people faint—and when it might be cause for concern.

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The vital test that helps detect abnormal heart rhythms
An electrophysiology study can help get to the bottom of a slow, fast or irregular heartbeat and get...