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NHLBI

Congenital Heart Defects - Diagnosis

atrial septal defect  Holes in the Heart  Ventricular Septal Defect  Tetralogy of Fallot  Patent Ductus Arteriosus (PDA)  Congenital Heart Disease 

Some congenital heart defects are diagnosed during pregnancy or soon after birth. Others may not be diagnosed until adulthood. Your or your child’s doctor will perform a physical exam and order diagnostic tests and procedures based on what he or she finds in the physical exam.

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NHLBI

What Causes a Stroke?

Buildup of plaque and blood clots causing blockage of an artery that supplies oxygen-rich blood to the brain can cause an ischemic stroke, while sudden bleeding from causes such as high blood pressure can result in a hemorrhagic stroke.

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NHLBI

What are the Signs and Symptoms of a Stroke?

The signs and symptoms of a stroke vary. They often develop quickly and may include sudden weakness, paralysis, confusion, trouble speaking, changes in vision, trouble breathing, dizziness, loss of consciousness, and a sudden severe headache. After you’ve had a stroke, you may develop other complications such as blood clots, muscle weakness, problems swallowing, pneumonia, and loss of bladder control.

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NHLBI

What is Peripheral Artery Disease?

arterial  vascular  circulation 

Peripheral artery disease happens when plaque builds up in the arteries that carry blood to your head, organs, and limbs. Plaque buildup leads to atherosclerosis, which limits oxygen-rich blood flow to your organs and other parts of your body. This Health Topic focuses on peripheral artery disease that affects blood flow to the legs.

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NHLBI

What is Sudden Cardiac Arrest?

Sudden cardiac arrest is a condition in which the heart suddenly and unexpectedly stops beating. If this happens, blood stops flowing to the brain and other vital organs. Sudden cardiac arrest usually causes death if it's not treated within minutes.

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NHLBI

Types of Cardiomyopathy

The types of cardiomyopathy include hypertrophic, dilated, restrictive, arrhythmogenic right ventricular, and unclassified cardiomyopathy.

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NHLBI

Causes of High Blood Pressure

Changes, either from genes or the environment, in the body’s normal functions may cause high blood pressure, including changes to kidney fluid and salt balances, the renin-angiotensin-aldosterone system, sympathetic nervous system activity, and blood vessel structure and function.

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NHLBI

How Can a Stroke Be Prevented?

Taking action to control your risk factors—through staying physically active, quitting smoking, maintaining a healthy weight, making heart-healthy eating choices, and managing stress—can help prevent a stroke, or if you’ve already had a stroke, prevent another one.

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NHLBI

Who Is at Risk for Sudden Cardiac Arrest?

The risk of sudden cardiac arrest increases with age and is higher in men and may be higher in blacks. The major risk factor for sudden cardiac arrest is coronary heart disease, but there are other risk factors such as known arrhythmia or personal or family history of sudden cardiac arrest or heritable forms of arrhythmia.

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NHLBI

How Can Cardiomyopathy Be Prevented?

You can't prevent inherited types of cardiomyopathy. You can take steps to lower your risk for diseases or conditions that may lead to or complicate cardiomyopathy through avoiding alcohol and illegal drugs, getting enough sleep, heart-healthy eating, physical activity, quitting smoking, and managing stress.

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