Clinical Calculations Made Easy: Solving Problems Using Dimensional Analysis, 3rd Edition

Case Study 14. Cystic Fibrosis

A 10-year-old child weighing 65 lb is admitted to the hospital with pulmonary exacerbation. The orders from the physician include:

· Complete blood count with differential, ABGs, chest x-ray, urinalysis, chemistry panel, and sputum culture

· IV 0.9% normal saline at 75 cc/hr

· Daily weights

· Monitor vitals q4h

· Oxygen at 2 L/min with pulse oximetry checks to maintain oxygen saturation above 92%

· Pancrease 2 capsules PO with meals and snacks

· High-calorie, high-protein diet

· Multivitamin 1 tablet PO daily

· Tagamet 30 mg/kg/day PO in four divided doses with meals and HS with a snack.

· Clindamycin 10 mg/kg IV q6h

· Postural drainage and percussion after aerosolized treatments

· Albuterol treatments with 2 inhalations q4h to 6h

· Terbutaline PO 2.5 mg q6h

· Tobramycin 1.5 mg/kg q6h

· Tobramycin peak and trough levels after fourth dose

Identify the orders that require calculations.

Set up and solve each problem using dimensional analysis.

1.

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2.

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3.

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4.

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