drug concentration: 40 mg/ml, 20ml per vial dose: 70mg/kg/24hr patient weight: 65 kg 1. What is the rate of infusion(ml/...
drug concentration: 40 mg/ml, 20ml per vial
dose: 70mg/kg/24hr
patient weight: 65 kg
1. What is the rate of infusion(ml/hr) that should be entered on the pharmacy label?
1a How many vials of drug would be used for the patient? please show work
Homework Answers
ANSWER
1. Rate of infusion (ml / hr)
* Formula
Rate of infusion = Volume (ml) / Time (hr)
Ordered dose = 70mg/kg/24hr.
Patient body weight = 65 kg.
Total volume needed for the patient = 70 * 65
= 4550 mg.
1 ml = 40 mg.(drug concentration)
So Volume = 4550 / 40
= 113.8 ml.
Total time = 24 hr.
Rate of infusion = 113.8 / 24
= 4.74 ml/ hr.
* Number of vials of drug used for the patient
Drug concentration = 40mg /ml.
1 vial = 20 ml.
Total volume needed for the patient = 113.8 ml
Total vials needed for the patient = 113.8 / 20
= 5.7
= 6 vials.
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