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Heart Health Archive

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Which number in a blood pressure reading is more important?

Both systolic and diastolic readings matter. But large studies have shifted focus toward the top number. See what each reveals about heart risk.

Can diet lower triglyceride levels?

A rising triglyceride level can increase risk of damage to the heart and pancreas. Learn which foods to eat and limit to improve your numbers.

How can I raise my HDL cholesterol?

A low HDL number can be worrisome even with normal cholesterol. Explore lifestyle shifts that may nudge your good cholesterol higher.

What is a cardioversion procedure?

Electrical cardioversion is generally a safe, painless procedure used to convert a rapid or irregular heartbeat (such as atrial fibrillation) back to a normal rhythm. It’s done under sedation and takes only a few minutes.

What is long QT syndrome?

Long QT syndrome is a disorder of the heart’s electrical system that can be either acquired (for example, due to a medication) or congenital. Although usually people have no symptoms, it can cause a fast, erratic heartbeat that may lead to shortness of breath, fainting, and sometimes death.

What type of burgers are the healthiest?

Meatless burgers-which include plant-based meat alternatives like Beyond Burger and Impossible Burger and veggie burgers-are healthy replacements for traditional hamburgers. Those with the lowest amounts of saturated fat and sodium are the best options.

My calcium score is over 2,000. What's next?

People with very high calcium scores (over 1,000) have a risk of heart attack or stroke similar to those who have already had a heart attack. They should take cholesterol-lowering drugs to bring down LDL levels and possibly undergo additional testing.

Smart watch alerts about heart health

Smart watches can monitor different parameters simply by measuring a person's pulse and body movements. Potentially helpful features include those to detect very low or high heart rates, irregular heart rhythms, and breathing disruptions during sleep.

Are salt substitutes a smart choice?

Substituting potassium-containing salt substitutes for regular salt can help lower blood pressure as well as the risk of stroke. But people should also check the sodium content in foods and eat more potassium-rich produce.

Fasting before lipid test usually unnecessary

Most people don't need to fast before a lipid test because the difference between LDL cholesterol values when fasting or not fasting is very small. But people who have had high triglyceride levels should fast prior to the test.

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