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polycythemia meaning

Polycythemia is a condition that results in an increased level of circulating red blood cells in the bloodstream. Related terms: The human body is capable of regulating growth and energy balance through various feedback mechanisms. ASludging of blood, pulmonary hypertension, and vascular infarcts are common sequelae.

Secondary polycythemia affects some people as a result of limited oxygen due to smoking or living at high altitudes. The word polycythemia simply means "many cells in the blood." Source:, Eczema : Prescription Medication Options Table,

“Polycythemia.” Dictionary, Merriam-Webster, All material copyright MediResource Inc. 1996 – 2020. Complications such as high uric acid blood levels and itchy skin may be treated with allopurinol or antihistamines, respectively.

Know more about this .. If the blood has high white blood cell and platelet counts in addition to a high content of red blood cells, the physician may prescribe a medication that cuts down blood cell production by the bone marrow (e.g., hydroxyurea, ruxolitinib). Blood clots are the most common cause of death, followed by complications of myelofibosis (a condition in which the bone marrow is replaced by scar tissue),  hemorrhage, and development of acute leukemia. This makes the blood thicker and less able to travel through blood vessels and organs. Polycythemia may not cause any symptoms. Definition noun An increase in the number of circulating erythrocytes in the blood above the minimum normal levels. Bone marrow is found in the centre of most bones and normally produces all red blood cells and platelets, and most white blood cells. Views expressed here do not necessarily reflect those of Biology Online, its staff, or its partners. It is rarely seen in people under the age of 40. There are two forms of this disease: polycythemia vera and secondary polycythemia. This tutorial presents the benefits and the possible adverse eventualities of genetic engineering.

In polycythemia vera, a mutation occurs in a bone marrow cell, resulting in overproduction of the bone marrow cells. A careful physical examination might also be done to check for high blood pressure, obesity, lack of oxygen (cyanosis), heart murmurs, or an enlarged spleen. Mid 19th century modern Latin, from poly-‘many’ + -cyte‘cell’ + hemo-‘blood’ + -ia.

Polycythemia vera is an uncommon condition It occurs more often in men than in women. Often, the process of blood withdrawal can be stopped for months at a time if the hemoglobin level stays in the required range. © 2001-2020 BiologyOnline. The bone marrow can also be overstimulated by testosterone replacement therapy. Erythrocytosis is an increase in RBCs relative to the volume of blood. It can occur due to rare underlying conditions or certain situations, such as high altitudes. The symptoms and the need to seek medical attention when signs and symptoms of bleeding and thrombus formation occur are explained to the patient. Polycythemia vera is a primary bone marrow disorder. The content on this website is for information only. A chronic, life-shortening myeloproliferative disorder due to the reproduction of a single stem-cell clone. Various blood tests will likely be done, including a complete blood cell count, erythropoietin level, and an assay to detect a JAK2 mutation. For instance, individuals living at high altitudes have relatively higher concentration of RBCs in blood than those who are not. Please tell us where you read or heard it (including the quote, if possible). Reassurance and support are provided to the patient and family, and opportunities are provided for questions and discussion of concerns. Heavy smoking is associated with an increase in carbon monoxide in the blood and may also lead to higher red cell and hemoglobin levels. Supplement This condition may be due to the overproduction of red blood cells or due to a chronically low oxygen levels. Which of the following Q-without-U words means the number five in cards or dice. A condition characterized by an abnormally high number of red blood cells in the blood. Polycythemia is a condition in which the body produces too many red blood cells. Weakness, fatigue, headache, blood clotting, vertigo, tinnitus, irritability, dyspnea, visual disturbances, flushing of face, redness, or ruddy cyanosis, pruritus, ecchymosis, hypertension, epigastric distress, weight loss, and pain in joints or extremities occur commonly. The treatment goal will be to keep the blood hemoglobin level within the low-to-normal range. Supplement This condition may be due to the overproduction of red blood cells or due to a chronically low oxygen levels. The Facts. Post the Definition of polycythemia to Facebook, Share the Definition of polycythemia on Twitter. a disorder characterized by an abnormal increase in the number of red blood cells in the blood.


Polycythemia due to a physiological condition that stimulates erythropoiesis, e.g., lowered oxygen tension in blood. In a newborn, it may reflect hemoconcentration due to hypovolemia or prolonged intrauterine hypoxia, or hypervolemia due to intrauterine twin-to-twin transfusion or placental transfusion resulting in delayed clamping of the umbilical cord. Erythrocytosis is sometimes referred to as polycythemia, but the conditions are slightly different:. Some people do experience symptoms that appear gradually.

polycythemia [pol″e-si-the´me-ah] an increase in the total red blood cell mass of the blood; called also erythrocythemia, hypercythemia, and hypererythrocythemia.

Get to know the e.. (Dorland, 27th ed), The numerical value of polycythemia in Chaldean Numerology is: 7, The numerical value of polycythemia in Pythagorean Numerology is: 8.

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It also may occur in people with chronic lung conditions and certain kidney tumours and cysts. POLYCYTHEMIA VERA: peripheral blood smear in polycythemia vera (X 400). "polycythemia." Definition noun An increase in the number of circulating erythrocytes in the blood above the minimum normal levels. Polycythaemia, also known as erythrocytosis, means having a high concentration of red blood cells in your blood. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Phlebotomy (removal of small amounts of blood) used to be the most common type of therapy for polycythemia vera. Polycythemia definition: an abnormal increase in the number and concentration of circulating red blood corpuscles | Meaning, pronunciation, translations and examples To diagnose polycythemia, a doctor will begin by discussing the patient's health history and doing a physical examination. The emergency treatment of polycythemia is by venesection, the removal of blood from the circulation. polycythemia formally exists when the hemoglobin, red blood cell (RBC) count, and total RBC volume are all above normal. Without treatment, the  risk of death from stroke, blood clots, or heart attack increases. Before using our website, please read our Privacy Policy. Meaning of polycythemia.

Cytostatics are sometimes used if venesection is ineffective or contraindicated. An excess of red blood cells. During myelosuppressive therapy the patient is informed about adverse effects that may occur, assessed for leukopenia and thrombocytopenia, and protective measures are taught and instituted. Unfortunately, there's no way to prevent polycythemia vera. Information and translations of polycythemia in the most comprehensive dictionary definitions resource on the web. A relative (rather than an absolute) increase in the number of erythrocytes due to a reduction of plasma volume, e.g., in patients with burns or dehydration. These may include itching following bathing, dizziness, and a flushing of the face and hands. For seniors or for people with heart or brain blood vessel disease, less blood is usually taken (i.e., only 200 mL to 300 mL twice a week). Polycythemia is associated with an increased risk of blood clots (venous thrombosis, stroke, heart attack) and leukemia. Thanks for your vote!

Once a person's hemoglobin levels are normal, they will probably have monthly doctor's appointments. This condition can also be observed in individuals with emphysema, pulmonary insufficiency and heart failure. Polycythemia vera (also called primary polycythemia) is a rare growth disorder of the bone marrow, occurring when the marrow is overactive and produces more blood cells than the body needs. STANDS4 LLC, 2020. There are two distinct forms of the disease: Primary polycythemia (polycythemia vera) is a myeloproliferative disorder of unknown etiology. Patients who have a history of blood clotting or very high platelet counts are treated with myelosuppressive drugs, such as hydroxyurea. Information and translations of polycythemia in the most comprehensive dictionary definitions resource on the web. An abnormal increase in the number of red blood cells. In rare cases, the spleen can become extremely enlarged. Treatment will vary according to the person's age, symptoms, and blood test results. If the skin is flushed or itchy, particularly after a hot bath, it may indicate a diagnosis of polycythemia., an increase in the total red blood cell mass of the blood; called also. Does English Have More Words Than Any Other Language? Alternative form: polycythaemia Synonyms: Compare: anemia, leukocytosis, thrombocytosis. It may also result in the overproduction of white blood cells and platelets.. We truly appreciate your support. Takotsubo Cardiomyopathy Associated with Polycythemia Vera, Concurrent Polycythemia of Undetermined Etiology and Smouldering Plasma Cell Myeloma, Case: Secondary polycythemia due to pazopanib in patients with metastatic renal cell carcinoma, DEMOGRAPHIC FEATURES OF CHRONIC MYELOPROLIFERATIVE NEOPLASMS PRESENTING AT SHAIKH ZAYED MEDICAL COMPLEX, LAHORE, Curcumin attenuates erythropoiesis in recombinant human erythropoietin-induced polycythemia in rats, Orthodeoxia without Platypnea in Hereditary Hemorrhagic Telangiectasia in the Presence of a Cerebral Abscess and Multiple Pulmonary Arteriovenous Malformations: Unusual Complications and Transcatheter Endovascular Treatment, Anti-Platelet Factor 4/Heparin Antibody Formation Occurs Endogenously and at Unexpected High Frequency in Polycythemia Vera, Heterozygous Hemoglobin Sherwood Forest Causing Polycythemia, Myelopathy due to Spinal Extramedullary Hematopoiesis in a Patient with Polycythemia Vera.

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