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Blood, Heart and Circulation
HEALTH LIBRARY / TOPIC

Blood, Heart and Circulation

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92 ARTICLES IN THIS TOPIC

Acute Lymphocytic Leukemia

Acute Lymphocytic Leukemia (ALL) or Acute Lymphoblastic Leukemia is a cancer of the white blood cells. Learn more about symptoms and treatment.
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Acute Myeloid Leukemia

Acute Myeloid Leukemia (AML) is a cancer of the white blood cells. AML usually gets worse quickly if it is not treated. Read more.
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Anemia

Anemia occurs when your blood doesn't carry enough oxygen to the rest of your body. Read about conditions that lead to it and treatments available.
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Aneurysms

An aneurysm is a bulge in the wall of an artery. It can develop and grow for years without causing any symptoms. Learn about tests and treatment.
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Angina

Angina is chest pain or discomfort when there is not enough blood flow to your heart muscle. Learn about angina symptoms and treatment.
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Angioplasty

Angioplasty is a procedure to restore blood flow through narrow or blocked arteries. Learn about how stents and angioplasty work.
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Aortic Aneurysm

An aortic aneurysm is a balloon-like bulge in the aorta, the main artery carrying blood from the heart. It is an emergency if it bursts or tears. Learn more.
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Aplastic Anemia

Aplastic anemia is a rare but serious blood disorder. If you have it, your bone marrow doesn't make enough new blood cells. Read more on the causes.
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Arrhythmia

If you have an arrhythmia, or irregular heartbeat, your heart may beat too quickly, too slowly, or with an irregular rhythm. Learn about causes and treatments.
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Arteriovenous Malformations

Arteriovenous malformations (AVMs) are defects in your arteries, veins, and capillaries. They are common in the brain and spine. Find out more.
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Atherosclerosis

Atherosclerosis is hardening and narrowing of the arteries caused by the buildup of a fatty substance called plaque. Learn about the risks and prevention.
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Atrial Fibrillation

Atrial fibrillation (AF or AFib) is the most common type of arrhythmia (irregular heartbeat). Read about symptoms and treatment.
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