A child is prescribed procainamide for a dysrhythmia. The child weighs 66 pounds and the recommended safe dose for children is 2-5 mg/kg/dose. The maximum dose for this child is:
a. 60 mg/dose. c. 150 mg/dose.
b. 90 mg/dose. d. 330 mg/dose.
ANS: C
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A Incorrect: This is the minimum dose.
B Incorrect: Although safe, this is not the maximum dose.
C Correct: 66 pounds divided by 2.2 = 30 kg x 5 mg/kg = 150 mg/dose.
D Incorrect: This exceeds the safe dosage range.
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