What does reticulocytosis mean?
High reticulocyte count (also referred to as reticulocytosis). This is when there is an increase in production of red blood cells to compensate for the loss of mature red blood cells. This could indicate: hemolytic anemia, acute bleeding, chronic blood loss or a kidney disease.
What is a methemoglobinemia?
(MET-hee-moh-GLOH-bih-NEE-mee-uh) A condition in which a higher-than-normal amount of methemoglobin is found in the blood. Methemoglobin is a form of hemoglobin that cannot carry oxygen. In methemoglobinemia, tissues cannot get enough oxygen.
What are causes of methemoglobinemia?
The most common cause of congenital methemoglobinemia is cytochrome b5 reductase deficiency (type I b5R). This enzymatic deficiency is endemic in certain Native American tribes (Navajo and Athabaskan Alaskans). Most cases of methemoglobinemia are acquired and result from exposure to certain drugs or toxins.
What is a Erythrocytopenia?
noun. the presence of decreased numbers of erythrocytes in the blood, as occurs in some forms of anaemia. Also called: erythrocytopenia.
What is erythroblastopenia of childhood (TEC)?
(Definition/Background Information) Transient Erythroblastopenia of Childhood (TEC) affects children between 6 months to 4 years of age, and is characterized by transient anemia. Most cases of Transient Erythroblastopenia of Childhood are sporadic in nature, caused by a preceding viral infection.
What is erythroblastopenia?
e·ryth·ro·blas·to·pe·ni·a. A primary deficiency of erythroblasts in bone marrow, seen in aplastic anemia. Erythroblastopenia. A deficiency in the cells that create red blood cells. This condition may be severe and life-threatening, but there is a transient form, seen in young children, which resolves spontaneously and does not recur.
What is Transient erythroblastopenia (TEC)?
Transient erythroblastopenia of childhood (TEC) can occur after viral infections. Most cases of childhood primary acquired PRCA include transient erythroblastopenia of childhood (TEC). A bone marrow biopsy sample indicated isolated erythroblastopenia with no abnormality of other cell lineages (PCR for parvovirus B19 was negative).
What are the signs and symptoms of Transient erythroblastopenia of childhood?
What are the Signs and Symptoms of Transient Erythroblastopenia of Childhood? 1 Pale appearance 2 Fatigue 3 Lethargy 4 Spells of “holding breath”