Calculation Of Intravenous Flow Rates Worksheet With Answer Key - Red River College Page 12
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12500 mL
=
X_
X = 125 mL/ h
15a.
4 h
1 h
15b.
125 mL/ h
X 2 h = 250 mL should be
250 mL left
→
infused out of a 500 mL bag so should be
15c.
Should be 250 mL left but there
BEHIND
→
is 375 mL left so IV is
(so IV needs to be speeded up)
15d.
375 mL = X_
X = 188 mL/ h
2 h
1 h
15e.
Ordered rate = 125 mL/ h
New rate = 188 mL/ h
NO, the new
which is more than the
flow rate is not
25% of 125 mL = 31mL
→
acceptable 156 mL/h
Therefore could safely ↑ flow rate
acceptable.
by 31 mL to 156 mL/h.
16a.
280 mL
=
X_
X = 93 mL/ h
3 h
1 h
16b.
93 mL/ h
X 1 h = 93 mL should be
187 mL left
→
infused out of a 280 mL bag so should be
16c.
Should be 187 mL left but there
AHEAD
→
is 150 mL left so IV is
(so IV needs to be slowed down)
16d.
150 mL = X_
X = 75 mL/ h
2 h
1 h
16e.
It is usually acceptable practice to
YES, the new flow rate
→
slow an IV, even to TKO
is acceptable.
17a.
50 mL
= X__
X = 13 mL/ h
60 min
15 min
17b.
First you have to calculate how many mLs of
blood is left in the bag:
267 mL
-13 mL
267 mL
Then you have to calculate the amount of time
left: 2h – 15min = 1h 45min which is 105min
X = 153 mL/ h
And you end up with:
267 mL
= __X__
(this is the rate that you would set the
105 min
60 min
pump at for the rest of the transfusion.
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