A patient weighing 220 lbs is prescribed 10 mcg/kg/min of dopamine to improve cardiac output from cardiogenic shock. How many milligrams of dopamine will the patient receive in an hour? Record your answer rounding to the nearest whole number
What will be an ideal response?
60
Rationale : Determine the patient's weight in kg by dividing 220 lbs by 2.2 or 100 kg. Then multiply the number of mcg of medication the patient is to receive per minute by 100 kg or 10 mcg × 100 kg = 1,000 mcg. This is the dosage the patient will receive in 1 minute. To determine the amount of medication in 1 hour, multiply 1,000 mcg × 60 = 60,000 mcg. Using the conversion 1 mg = 1,000 mcg, divide 60,000 mcg by 1,000 mcg to determine that the patient will receive 60 mg of dopamine in 1 hour.
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