Module 4: Blood Disorders Flashcards
Anemia
Decrease in oxygen carrying capacity of blood
Pernicious anemia
Decrease in red blood cells due to vitamin B12 deficiency
Microcytic-hypochromic
Used to describe red blood cells as smaller than normal, and less pigmented than normal (due to less hemoglobin)
Iron deficiency
Decrease in healthy red blood cells due to lack of iron (because hemoglobin relies heavily on iron availability)
Normocytic-normochromic
Used to describe red blood cells as normal in size and normal in pigmentation (normal amount of hemoglobin)
Polycythemia
Excessive erythrocytes
Neutrophilia
Increase amounts of neutrophil granulocytes in blood as an early response to infection
Neutropenia
Lower number of neutrophils in the blood caused by prolonged severe inflammation. Production of granulocytes not meeting demand
Agranulocytosis
Extremely low counts of granulocytes. Can be caused by chemo
Lymphocytosis
Increased amount of lymphocytes in blood, typically caused by viral infection
Lymphocytopenia
Less lymphocytes in blood caused by immune deficiencies, neoplasia, drugs
Infectious mononucleosis
Acute inflammation of B lymphocytes caused by Epstein-Barr virus
Panycytopenia
Reduction of all formed element components of the blood (RBCs WBCs platelets)
Acute leukaemia
Rapid growth of VERY IMMATURE blood cells (ineffective cells that take up too much space, can be fatal!!)
Chronic leukaemia
Slow growth of mature (differentiated) blood cells which don’t function normally