Common Medication Formulas
|
|
Injections:
(Amount to be drawn
up into a syringe)
|
(Desired amount of drug X total volume)
________________________________
Total amount
of drug on hand
|
Volume/hr (mL/hr):
(e.g., 150
mL/hr)
|
(Volume X drip set factor)
__________________________
Time in
minutes
|
mg/min:
(e.g., 4 mg/min)
mg/hr:
(e.g., 20
mg/hr)
|
(Desired amount _ volume _ drip
set factor)
_______________________________
Amount of drug on hand
_______________________________
Total
infusion time in minutes
|
To figure the rate
of
an existing IV
|
1. Count drops per minute and multiply
by 60.
2. Divide result by the drip factor being
used.
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|
IV Fluid Drip Rate Table (drops/min)
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Rate: mL/
hr →
|
TKO
|
50
|
75
|
100
|
125
|
150
|
175
|
200
|
250
|
|
10 gtt/
mL set
|
5
|
8
|
13
|
17
|
21
|
25
|
29
|
33
|
42
|
|
12 gtt/
mL set
|
6
|
10
|
15
|
20
|
25
|
30
|
35
|
40
|
50
|
|
15 gtt/
mL set
|
8
|
13
|
19
|
25
|
31
|
37
|
44
|
50
|
62
|
|
20 gtt/
mL set
|
10
|
17
|
25
|
33
|
42
|
50
|
58
|
67
|
82
|
|
60 gtt/
mL set
|
30
|
50
|
75
|
100
|
125
|
150
|
175
|
200
|
250
|
|
Note: TKO is 30 mL/hr.
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