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Diagnosis

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What Is a Pulmonary Embolism?

What Is a Pulmonary Embolism?

A pulmonary embolism is a blockage caused by a clot in an arteries leading to the lungs, usually originating in a deep vein in the legs, arms, or pelvis.

Coronary Artery Disease

What Is Coronary Artery Disease?

Coronary artery disease is diagnosed when your arteries become narrowed by deposits called plaques within the artery walls.

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Blood Protein May Predict Heart Trouble

Your levels of a blood protein called PCSK9 may help predict your risk of suffering a heart attack, stroke, or other cardiovascular event. Here’s what to know.

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What Is Heart Failure?

Heart failure is caused by a weakening of the heart’s ability to pump blood. You may experience fatigue, shortness of breath, and excessive urination at night.

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How Stroke Affects the Brain

The potential for recovery depends on which portions of the brain were damaged by the stroke. Here’s what you need to know.

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What is Transient Ischemic Attack?

This ministroke is a warning sign that a full-blown ischemic stroke may be in your future.

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What is a Heart Attack?

Heart attacks, also called myocardial infarctions, typically occur when a coronary artery is completely blocked by a blood clot.

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The Most Serious Arrhythmias

Irregular heartbeats can cause disruptive and frightening symptoms. In the worst-case scenario, they can trigger a potentially fatal cardiac arrest.

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What Is a Stroke?

Sometimes called a brain attack, a stroke occurs when an artery that supplies blood to part of the brain becomes blocked or ruptures.

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6 Triggers of Post-Traumatic Stress Disorder

The condition doesn’t just affect war veterans—it can be triggered by critical illness, too, and can slow recovery.