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6 Cards in this Set

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  • Back
Amount of RBCs in the blood
Male=14-18 g/dL
Female=12 to 16 g/dL

Low hemoglobin=anemia
Cause=bleeding, poor nutrition...
Below 9 g/dL=transfusion
% of RBCs in the total blood volume

Male=42% to 52%
Female=37% to 47%

Low=Bleeding or dehydration
Blood Clotting

150,000 to 400,000/mm3

Platelet count decreased by some drugs (Lovenox). Discontinued when drop below 130,000/mm3
International Normalized Ratio (INR)
Time it takes for blood to coagulate and clot.

Theraputic INR level= 2.0 to 3.0
Pro Time (PT)
Time it takes for blood to coagulate and clot. Extrinsic system of clotting. PT or INR are used to assess the effect of the anticoagulant Coumadin (warfarin).

Normal 11 to 12.5 seconds
Time it takes for blood to coagulate and clot. Intrinsic system of clotting. PTT (aPTT) used to assess effects of heparin (subcu or IV).

Normal PTT=60 to 70 seconds
Normal aPTT=30 to 40 seconds