RBC ANOMALIES & PATHWAYS Flashcards
(91 cards)
conditions with high rbc count
polycythemia vera cardiovascular heart disease lung disease dehydration acute poisoning high altitude
erythrocyte count, hg and hematocrit are SLIGHTLY lower in 3 significant situations
after age of 50
in recumbency
after meals
non oxidative that handles 90% utilization of glucose in rbcs
embden meyerhof pathway
converts methemoglobin to hgb
methemoglobin reductase
normal values for female
4.5-5.5 million/ cu mm
rbcs with single elongated point/tail
teardrop cells
necessary for the production of 2,3-diphosphoglycerate
luebering rapoport pathway
rbc count for newborn
5.7 million/ cu mm
also known as phosphogluconate pathway
hexose monophosphate shunt
end result for EM pathway
2 atps
normal values of rbcs for male (conventional and SI)
5.5-6.5 million/cu. mm; x10 12/L
HM shunt depends on what enzyme
glucose-6-phosphate dehydrogenase
converts NADP to NADPH
glucose-6-phosphate dehydrogenase
inclusion produced when there is a defect in the pathway (g6pd deficiency)
heinz bodies
variation in shape
poikilocytosis
conditions with lower rbc count
anemia
hemorrhage
oligocythemia
enzyme needed for the production of 2,3-DPG
phosphofructokinase
present in dehydration and azotemia
echinocytes
low 2,3-dpg
high oxgyen affinity
deoxyhemoglobin/ tensed form
pathway which maintains the iron in hb in its reduced state
methemoglobin reductase pathway
can be seen in pk deficiency, uremia, cancer of the stomach, acute blood loss
burr cells
rbs with regularly spiculated surface rounded at the tip
echinocytes
intrinisic abnormality of red cell
schistocytes
projections of the spicule is more rounded than echinocytes
burr cells