Given:
Medication :Cefotaxime
Dose:900mg
Route:IV
Frequency :Every 6 hours once
Weight:18kg
To calculate safe dose
Given 50_200mg/kg/day
If it is 50mg/kg/day (1kg=50mg)
then 18 kg=??
cross multiply and divide
18×50÷1=900mg/day
So for 200mg/kg/day
200×18÷1=3600mg/day
So the safe dose range is 900mg to 3600 mg /day
If the child has to be given 900mg /dose
Then for 6 hourly it will be 4 doses in a day
Therefore 4 doses multiplied by single dose is equal to 24 hours or a day's dose
=900×4
=3200mg/day (This is with in safe dose range for the child)
In grams 3200mg=3.2gram
Given 1gm powder after dilution gives 95mg/ml
So 3200mg=??
=3200÷95
=33.68 or 34 ml
34 ml is the amount needed in total
When concentration is 50mg=1ml
Then 900mg=??
900÷50=18ml
Flow rate=Total volume×drop factor×60 (for 1 hour)
=18×15÷1×60
=4.5 ,so in half hour it will be doubled 9 gtt/min.
Cefotaxime (elaforan) 900 mg IV Q6 hours in 25 ml DS ½ NS for a 5...
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