The health-care provider prescribes diltiazem (Cardizem) 0.87 mg PO four times daily for an infant who weighs 22 pounds. The recommended maximum dose is 3.5 mg/kg/day. What action should the nurse take?
Give the prescribed dosages.
Assess the child's heart rate before administration.
Clarify the calculations with the pharmacist.
Notify the health-care provider.
The Correct Answer is B
Step 1: Calculate the infant's weight in kilograms:
22 pounds x (1 kg / 2.20462 pounds) ≈ 10 kg
Step 2: Calculate the recommended maximum daily dose:
Recommended Maximum Dose = 3.5 mg/kg/day x 10 kg
Recommended Maximum Dose = 35 mg/day
Step 3: Calculate the prescribed daily dose:
Prescribed Daily Dose = 0.87 mg/dose x 4 doses/day
Prescribed Daily Dose = 3.48 mg/day
Step 4: Compare the prescribed dose to the recommended maximum dose:
The prescribed daily dose (3.48 mg/day) is slightly above the recommended maximum daily dose (35 mg/day).
Therefore, the nurse should:
B. Assess the child's heart rate before administration.
While the prescribed dose is slightly above the recommended maximum, it's important to monitor the child's heart rate to ensure there are no adverse effects. If the heart rate is within the normal range, the medication can be administered. However, if there are any concerns, the nurse should consult with the health-care provider.
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Related Questions
Correct Answer is ["2"]
Explanation
To determine the number of tablets needed, we can set up a proportion:
x tablets / 0.6 mg = 1 tablet / 0.4 mg
Cross-multiplying:
0.4x = 0.6
Solving for x:
x = 0.6 / 0.4
x = 1.5
Since we cannot administer a fraction of a tablet, we round up to the nearest whole number.
Therefore, the nurse should administer 2 tablets of nitroglycerin 0.4 mg sublingually if the client experiences chest pain
Correct Answer is ["2"]
Explanation
To calculate the number of tablets needed, we can set up a proportion:
x tablets / 30 mg = 1 tablet / 20 mg
Cross-multiplying:
20x = 30
Solving for x:
x = 30 / 20
x = 1.5
Since we cannot administer a fraction of a tablet, we round up to the nearest whole number.
Therefore, the nurse should administer 2 tablets of baclofen.
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