secondary polycythemia

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• secondary polycythemia — any absolute increase in the total red cell mass other than polycythemia vera, usually occurring as a physiologic response to tissue hypoxia. Some types are called compensatory or appropriate, such as from adjustments for general tissue hypoxia… …   Medical dictionary

• Polycythemia — Classification and external resources Packed cell volume diagram. ICD 10 D …   Wikipedia

• polycythemia — [päl΄i sī thē′mē ə] n. 〚 POLY + CYT(O) + HEMIA〛 an abnormal increase in the number and concentration of circulating red blood corpuscles * * * pol·y·cy·the·mi·a (pŏl ē sī thēʹmē ə) n. A condition marked by an abnormally large number …   Universalium

• polycythemia vera — polycythemia ve·ra vir ə n chronic polycythemia that is a myeloproliferative disorder of unknown cause characterized by an increase in total blood volume and viscosity and typically accompanied by nosebleed, headache, dizziness, weakness, itchy… …   Medical dictionary

• Polycythemia vera — Primary polycythemia, often called polycythemia vera (PCV), polycythemia rubra vera (PRV), or erythremia, occurs when excess red blood cells are produced as a result of an abnormality of the bone marrow. Often, excess non lymphoid white blood… …   Wikipedia

• Polycythemia — The presence of too many red blood cells. Polycythemia formally exists when the hemoglobin, red blood cell (RBC) count and total RBC volume are both above normal. For example, the percentage of red blood cells in whole blood (hematocrit) in… …   Medical dictionary

• secondary myeloid metaplasia — myeloid metaplasia secondary to some other condition, such as carcinoma, tuberculosis, leukemia, leukoerythroblastosis, or polycythemia vera …   Medical dictionary

• secondary gout — gout resulting from an acquired disorder such as polycythemia vera or chronic myelogenous leukemia, or from an inborn error of metabolism …   Medical dictionary

• absolute polycythemia — an increase in red cell mass caused by a sustained overactivity of the erythroid component of the bone marrow, which may occur as a compensatory physiologic response to tissue hypoxia (see secondary p.), or as the principal manifestation of… …   Medical dictionary

• appropriate polycythemia — see secondary p …   Medical dictionary

• compensatory polycythemia — see secondary p …   Medical dictionary