How Does Your Heart Work - Anatomy of the Heart, Coronary Arteries

Your heart is a muscle that pumps blood to the rest of your body. Your heart is part of your circulatory system, which consists of a network of arteries, veins, and capillaries. They carry blood to and from all areas of your body.

Anatomy | Coronaries | Right Side | Left Side | Interior | Septum | Valves | Conduction | Blood Flow


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Coronary Artery Disease and Angina

Coronary artery disease (CAD) happens when arteries that supply blood to the heart muscle develop a blockage.

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Myocardial infarction (MI)

Acute myocardial infarction (AMI), commonly known as a heart attack, is the interruption of blood supply to part of the heart, causing some heart cells to die.

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Cardiac Risk Assessment Patient Questionnaires

Try one of our questionnaires to help you better understand your risk for Coronary Artery Disease or take a FREE evaluation of your current treatment plan. Get started by answering the question that best represents your current condition.

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Diagnosis

Here you will find the tools that are used to help make a diagnosis of coronary artery disease.
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Treatment

This category deals with your options for treatment.

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Risks & Benefits
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Chest Pain

Each year, six million adult patients in the U.S. see their doctor because of chest pain.

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Ask Doctor T. Blog

Long QT and Thymoma

I am about to get a thymectomy due to suspected thymoma.
Recently, the attacks of chest pressure/pain, rapid heart beat and sudden dizziness/nausea worsened and during the last one I was in patient and my right arm suddenly became very heavy, The ER doc was called. when...

Hi Sarah,
In patients with a thymoma, low calcium levels are occasionally associated with long QT. Treatment involves correcting abnormal calcium and resection of the thymoma. Otherwise, I...

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