Math in the Workplace - Measurements
ST. ALPHONSUS HOSPITAL
Medical Care Facility
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Job Description: Recovery Room nurse monitors and cares for post-operative patients. Dispenses medication, IV fluids, oxygen, etc. |
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Problem:
A 220 pound male patient needs an intravenous infusion of dopamine. Dosage
range of 2 - 20 mg/kg/minute is titrated.
If you begin at a rate of 5 mg/kg/minute with a concentration of
3200mg/CC (mL), what is the rate of infusion at cc/hour for this
patient?
 ST. ALPHONSUS HOSPITAL
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Solution:
220 lbs
2.2 lbs |
= |
x
1 |
2.2 x = 220
x = 100 kg
5 mg / kg / min
5 mg x 100 kg x 60 minutes = 30,000 mg / hour
Concentration is 3,200 mg / cc
3200 mg
30,000 mg |
= |
1 cc
x |
3200 x = 30,000
x = 30,000 / 3200
x = 9.375 or ~9 cc/hr