15.5 kg X 1 mg/kg = 15.5 mg

50x=25 x=25/50 x=.5ml

120mg/xml = 100mg/5ml

120 x 5= 100x 600=100x 600/100 =x x= 6mg

60mg/xml = 100mg/5ml

60 x 5 =100x 300=100x 300/100=x x= 3mg

4x= 1 x 5 4x=5 x=5/4 x=1.25ml

5x = 1 x 4 5x=4 x = 4/5 x= .8ml

6000/10 = 600gtts/min

1000/10min = 100gtts/min (This one is easier to count!)

30,000 x 2/2000 60,000/2000= 30gtts/min

Total concentration (mcg) = 800000mcg/500ml = 1600 mcg

10 mcg x 85 kg x 60 gtts = 51000

51000/1600 = 31.875gtts/min

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Dosage on hand

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Dosage on hand

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Time in Minutes

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Total concentration (mcg)

First, take your patients weight in pounds (that’s right, pounds!).

Then drop the last number off the weight

Then subtract 2

This will be your gtts/min.

Example:

148 lbs

drop the last number

14

subtract 2

14 – 2 = 12

12 gtts/min

(Volume on hand) x (Drip factor) x (Desired dose)

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Dosage on hand

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The Lidocaine Clock

60gtts = 4mg (Twelve)

15gtts = 1mg (Three)

30gtts = 2mg (Six)

45gtts = 3mg (Nine)

First you must mix your bag, 2gm in 500cc, or 1gm in 250cc

Use a mini drip (60gtts/ml)

This will give you a concentration of 4mg/ml

Look up the dose you need per min. (example 2mg/min)

Run your dose at the setting according to the clock.

So if your dose is 2mg/min you will run your drip at 30gtts/min. (1gtt/2sec)

If your dose is 4mg you will set your drip at 60gtts/min (1gtt/sec)