Diseases of the blood (hematology)

This category covers diseases of the blood with symptoms, causes, diagnostics, treatment options, and prevention basics.

Fainting due to anemia: causes, warning signs, tests, and treatment

Fainting is a brief loss of consciousness, most often associated with a temporary reduction in blood supply to the brain.

Thrombocytosis in anemia: why platelets increase, when it's dangerous, and how to get tested

Thrombocytosis is an increase in the platelet count in the blood, most often above 450 × 10⁹ per liter. In anemia, this is often reactive, that is, a secondary response of the body to another condition: iron deficiency, inflammation, blood loss, infection, surgery, cancer, hemolysis, or spleen failure.

Headaches with anemia: causes, symptoms, tests, and treatment

Headaches associated with anemia are most often associated with the fact that the blood carries less oxygen to tissues, including the brain.

Anemia Prevention: Nutrition, Testing, Iron, Vitamin B12, and Risk Groups

Anemia is a condition in which the blood has a reduced ability to carry oxygen to tissues, most often due to a lack of hemoglobin or normal red blood cells.

Heart palpitations due to anemia: causes, symptoms, diagnosis, and treatment

Heart palpitations in anemia most often occur because the blood carries less oxygen: there is little hemoglobin, so the heart is forced to contract more often and more forcefully to deliver the required amount of oxygen to the tissues.

Hypoxia in anemia: why tissues lack oxygen even with normal saturation

Hypoxia in anemia is a condition in which tissues do not receive enough oxygen due to reduced oxygen-carrying capacity of the blood.

Anemia severity: hemoglobin levels, symptoms, and treatment options

The severity of anemia is usually determined by the hemoglobin level, but clinical severity depends on more than just this number. One person with a hemoglobin level of 95 grams per liter may experience only fatigue, while another with the same level will experience shortness of breath, palpitations, and chest pain if the anemia has developed rapidly or if heart disease is already present.

Chalk for anemia: why you want to eat chalk, what are the dangers, and how to properly treat the cause

The craving for chalk in anemia refers to pica, a condition in which a person regularly consumes or obsessively wants to consume substances that are not normal food.

Erythropoietin for anemia: when it's needed, how it works, and why it shouldn't be prescribed without a reason

Erythropoietin is a hormone produced primarily by the kidneys that signals the bone marrow to produce more red blood cells. When tissues receive little oxygen, the kidneys increase erythropoietin production, and the bone marrow accelerates red blood cell production.

Pathogenesis of anemia: how low hemoglobin develops and why the causes vary

Anemia develops when the blood loses its ability to deliver sufficient oxygen to the tissues.

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