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

Case Study 1. Congestive Heart Failure

A patient is admitted to the hospital with a diagnosis of dyspnea, peripheral edema with a 10-lb weight gain, and a history of congestive heart failure. The orders from the physician include:

· Bed rest in Fowler's position

· O₂ at 4 L/min per nasal cannula

· Chest x-ray, complete blood count, electrolyte panel, BUN, serum creatinine levels, and a digoxin level

· IV of D5W/½ NS at 50 cc/hr

· Daily AM weight

· Antiembolism stockings

· Furosemide 40 mg IV qd

· Digoxin 0.125 mg PO qd

· KCl 20 mEq PO tid

· Low-Na diet

· Restrict PO fluids to 1500 cc/day

· Vitals q4h

· Accurate I/O

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.