Common heart conditions

Your heart

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What is coronary heart disease?

Coronary heart disease (CHD) or coronary artery disease occurs when a coronary artery clogs and narrows because of a buildup of plaque

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Heartbeat line on blue background, symbolizing life and vitality.

What is an arrhythmia?

The heart has its own electrical system. Electrical impulses are essential to make your heart beat to pump blood to your entire body. Your heart has four chambers, two on the right and two on the left. It has two upper chambers (atria) and two lower chambers (ventricles). In a healthy heart, regular electrical signals cause these four chambers to contract and relax in a steady rhythm of 60 to 100 beats per minute.

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A stethoscope and a heartbeat symbol on a paper, representing medical examination and monitoring.

What is angina?

Angina is a type of chest pain or discomfort that’s a symptom of an underlying heart problem, usually coronary heart disease (CHD).