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

Case Study 2. COPD/Emphysema

A patient is admitted to the hospital with dyspnea and COPD exacerbation. The orders from the physician include:

· Stat ABGs, chest x-ray, complete blood count, and electrolytes

· IV D5W/½ NS 1000 cc/8 hr

· Aminophylline IV loading dose of 5.6 mg/kg over 30 minutes followed by 0.5 mg/kg/hr continuous IV

· O₂ at 2 L/min per nasal cannula

· Albuterol respiratory treatments q4h

· Chest physiotherapy q4h

· Erythromycin 800 mg IV q6h

· Bed rest

· Accurate I/O

· High-calorie, protein-rich diet in six small meals daily

· Encourage PO fluids to 3 L/day

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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5.