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NHLBI

Electrocardiogram

EKG  ECG 

An electrocardiogram, also called an ECG or EKG, is a simple, painless test that detects and records your heart’s electrical activity. An EKG can show how fast your heart is beating, whether the rhythm of your heartbeats is steady or irregular, and the strength and timing of the electrical impulses passing through each part of your heart.

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NHLBI

Cardiac CT Scan

computed tomography  computed axial tomography scan (CAT scan) 

A cardiac CT scan is a painless imaging test that uses x rays to take many detailed pictures of your heart and its blood vessels.

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NHLBI

Hemolytic Anemia

blood  anemia  blood disorders  red blood cell disorders 

Red blood cells develop in the bone marrow, which is the sponge-like tissue inside your bones. Your body normally destroys old or faulty red blood cells in the spleen or other parts of your body through a process called hemolysis. Hemolytic anemia occurs when you have a low number of red blood cells due to too much hemolysis in the body.

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NHLBI

Cardiac Catheterization

heart catheterization 

Cardiac catheterization is a medical procedure used to diagnose and treat some heart conditions. It lets doctors take a close look at the heart to identify problems and perform other tests or procedures on your heart.

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NHLBI

How Sleep Works

Sleep is a period of rest that alternates with wakefulness. You have internal body clocks that control when you are awake and when your body is ready for sleep. These clocks have cycles of approximately 24 hours. The clocks are regulated by multiple factors, including light, darkness, and sleep schedules. Once asleep, you cycle through the stages of sleep throughout the night in a predictable pattern.

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NHLBI

Low Blood Pressure

Low blood pressure is when blood flows through your blood vessels at lower than normal pressures.

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How Is Cardiomyopathy Diagnosed?

Your doctor will diagnose cardiomyopathy based on your medical and family histories, a physical exam, and the results from one or more tests: blood test, chest x ray, electrocardiogram (EKG), Holter and event monitors, echocardiography, stress testing, and genetic testing. To confirm a diagnosis or prepare for surgery, additional procedures may include cardiac catheterization, coronary angiography, and myocardial biopsy.

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NHLBI

How Is Atherosclerosis Diagnosed?

Your doctor will diagnose atherosclerosis based on your medical and family histories, a physical exam, and results from one or more tests: blood test, electrocardiogram (EKG), chest x ray, ankle/brachial index, echocardiography, computed tomography (CT) scan, stress testing, and angiography.

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NHLBI

Who Is at Risk for Atherosclerosis?

Certain traits, conditions, or habits may raise your risk for the disease. Major risk factors include unhealthy blood cholesterol levels, high blood pressure, smoking, insulin resistance, diabetes, being overweight, lack of physical activity, an unhealthy diet, older age, and family history of early heart disease.

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NHLBI

What Is Carotid Artery Disease?

Carotid artery disease is a disease in which a waxy substance called plaque builds up inside the carotid arteries in either side of the neck. The common carotid arteries divide into internal carotid arteries, which supply oxygen-rich blood to your brain, and external carotid arteries, which supply oxygen-rich blood to your face, scalp, and neck.

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