(3) All heparin calculations should be carried out to the thousandth decimal

place and rounded to the hundredth place.

(4) Subcutaneous injections of heparin should be administered using a

tuberculin syringe.

Figure 2**-**2. Tuberculin (T.B.) syringe.

a vial labeled 40,000 units per ml, calculate the amount of

heparin to give.

(a)

Set up the proportion. Label all units.

40,000 units = 5,000 units

1 ml

X ml

(b) Cross**-**multiply.

40,000X = 5,000

X = 0.125 ml

Give 0.13 ml

have a vial labeled 20,000 units per ml. How much

medication will you give?

20,000 units = 15,000 units

1 ml

X ml

20,000X = 15,000

X = 0.75 ml

MD0904

2-34

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