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Heart, Blood & Circulation

Acute Lymphocytic Leukemia (ALL)

321 Members
  • Acute lymphoblastic leukemia (ALL), also known as acute lymphocytic leukemia, is a cancer of the white blood cells, characterised by the overproduction and continuous multiplication of malignant and immature white ...

Acute Myelogenous Leukemia (AML)

454 Members
  • Acute myelogenous leukemia (AML), also known as acute myeloid leukemia, is a cancer of the myeloid line of blood cells. The median age of patients with AML is 70; it is rare among children. Myeloid leukemias are ch...


1239 Members
  • Anemia (or anaemia), which literally means "without blood," is a deficiency of red blood cells and/or hemoglobin. This results in a reduced ability of blood to transfer oxygen to the tissues, and this causes hypoxi...


569 Members
  • An aneurysm (or aneurism) is localized, blood-filled dilation (bulge) of a blood vessel caused by disease or weakening of the vessel wall.[1] Aneurysms most commonly occur in arteries at the base of the brain (the ...


186 Members
  • Angina pectoris is chest pain due to ischemia (a lack of blood and hence oxygen supply) to the heart muscle, generally due to obstruction or spasm of the coronary arteries (the heart's blood vessels). Coronary ...


494 Members
  • Cardiac arrhythmia is a group of conditions in which the muscle contraction of the heart is irregular or is faster or slower than normal. Cardiac dysrhythmia is technically more correct, as arrhythmia would imp...


56 Members
  • Atherosclerosis is a disease affecting the arterial blood vessel. It is commonly referred to as a "hardening" or "furring" of the arteries. It is caused by the formation of multiple plaques within the arteries....

Atrial Fibrillation (AFib)

1119 Members
  • Atrial fibrillation (AF or afib) is an abnormal heart rhythm (cardiac arrhythmia) which involves the two small, upper heart chambers (the atria). Heart beats in a normal heart begin after electricity generated ...

Chronic Lymphocytic Leukemia (CLL)

377 Members
  • Chronic lymphocytic leukemia (or "chronic lymphoid leukemia") CLL, is a cancer in which too many lymphocytes (a type of white blood cells) are produced. CLL is the most-diagnosed form of leukemia in adults. Men are...

Chronic Myelogenous Leukemia (CML)

463 Members
  • Chronic myelogenous leukemia (or CML) is a form of chronic leukemia characterized by increased production of myeloid cells in the bone marrow. It is a type of myeloproliferative disease associated with a characteri...

Congenital Heart Disease

300 Members
  • Congenital heart disease is heart disease in the newborn, and includes congenital heart defects, congenital arrythmias, cardiomyopathies, and hypertrophic cardiomyopathy (HCM). Congenital heart disease, which is al...

Coronary Heart Disease

371 Members
  • Coronary heart disease (CHD), also called coronary artery disease (CAD) and atherosclerotic heart disease, is the end result of the accumulation of atheromatous plaques within the walls of the arteries that...

Deep Vein Thrombosis (DVT)

1590 Members
Deep-vein thrombosis, also known as deep-venous thrombosis or DVT, is the formation of a blood clot ("thrombus") in a deep vein. It commonly affects the leg veins, such as the femoral vein or the popliteal vein or the deep veins o...

Heart Attack

656 Members
Acute myocardial infarction (AMI or MI), commonly known as a heart attack, is a serious, sudden heart condition usually characterized by varying degrees of chest pain or discomfort, weakness, sweating, nausea, vomiting, and arrhyt...

Heart Failure

726 Members
  • Congestive heart failure (CHF), also called congestive cardiac failure (CCF) or just heart failure, is a condition that can result from any structural or functional cardiac disorder that impairs the ability of ...


142 Members
  • Hemophilia or haemophilia is the name of any of several hereditary genetic illnesses that impair the body's ability to control bleeding. Genetic deficiencies (or, very rarely, an autoimmune disorder) cause ...

High Blood Pressure

1456 Members
  • Hypertension or high blood pressure is a medical condition wherein the blood pressure is chronically elevated. While it is formally called arterial hypertension, the word "hypertension" without a qualifier ...

High Cholesterol

680 Members
  • Hypercholesterolemia (literally: high blood cholesterol) is the presence of high levels of cholesterol in the blood. It is not a disease but a metabolic derangement that can be secondary to many diseases and ca...

Hodgkin's Lymphoma

467 Members
  • Hodgkin's lymphoma, formerly known as Hodgkin's disease, is a type of lymphoma described by Thomas Hodgkin in 1832, and characterized by the presence of Reed-Sternberg cells. Unlike other lymphomas, whose incidence...


394 Members
Lymphedema (or "Lymphoedema", "lymphatic obstruction") is a condition of localized fluid retention caused by a compromised lymphatic system. The lymphatic system (often referred to as the body's "second" circulatory system) collec...

Multiple Myeloma

420 Members
  • Multiple myeloma (also known as MM, myeloma, plasma cell myeloma, or as Kahler's disease after Otto Kahler) is a type of cancer of plasma cells, immune system cells in bone marrow that produce antibodies. Its progn...


259 Members
The myelodysplastic syndromes (MDS, formerly known as "preleukemia") are a diverse collection of haematological conditions united by ineffective production of blood cells and varying risks of transformation to acute myelogenous le...

Non-hodgkin's Lymphoma

506 Members
  • Non-Hodgkin lymphoma is a type of cancer arising from lymphocytes, a type of white blood cells. It is so called because of its distinction from Hodgkin's disease, a particular subtype of lymphoma. It is in fact an ...

Organ Transplants

375 Members
  • An organ transplant is the transplantation of a whole or partial organ from one body to another (or from a donor site on the patient's own body), for the purpose of replacing the recipient's damaged or failing orga...

Other Heart Problems

207 Members
The heart is a hollow, muscular organ in vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic contractions, or a similar structure in annelids, mollusks, and arthropods.


94 Members
A pacemaker (or artificial pacemaker, so as not to be confused with the heart's natural pacemaker) is a medical device which uses electrical impulses, delivered by electrodes contacting the heart muscles, to regulate the beating o...


134 Members
Polycythemia is a condition in which there is a net increase in the total circulating erythrocyte (red blood cell) mass of the body. There are several types of polycythemia. Primary polycythemia, often called polycythemia vera (PC...

Pulmonary Embolism

2175 Members
By far the most common form of pulmonary embolism is a thromboembolism, which occurs when a blood clot, generally a venous thrombus, becomes dislodged from its site of formation and embolizes to the arterial blood supply of one of...

Pulmonary Hypertension

215 Members
  • Pulmonary hypertension (PH) is an increase in blood pressure in the pulmonary artery or lung vasculature, leading to shortness of breath, dizziness, fainting, and other symptoms, all of which are exacerbated by exe...

Thrombocytopenic Purpura

128 Members
Thrombocytopenic purpura are purpura associated with a reduction in circulating blood platelets which can result from a variety of causes. There are two known types: Idiopathic thrombocytopenic purpura (ITP) is the condition...

Varicose Veins

106 Members
  • Varicose veins are veins on the leg which are large, twisted, and ropelike, and can cause pain, swelling, or itching. They are an extreme form of telangiectasia, or spider veins. Other symptoms of varicose veins in...