transient aplastic crisis
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.
transient aplastic crisis (TAC),
temporary suppression of erythropoiesis, due usually to viral infection (e.g., Parvovirus B-19); may be particularly severe in people with hemolytic anemias (e.g., sickle cell disease, thalassemia, hereditary spherocytosis).
transient aplastic crisisAbbreviation: TAC
A serious complication of infection with human parvovirus B-19 infection in patients with chronic hemolytic anemia such as sickle cell disease. This virus causes erythema infectiosum.See: erythema infectiosum
See also: crisis