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

Case Study 16. Leukemia

A 14-year-old child is admitted to the hospital with fever of unknown origin (FUO) after chemotherapy administration. The orders from the physician include:

· Complete blood count with differential, bone marrow aspiration, chemistry panel, PT/PTT, blood cultures, urinalysis, and type and crossmatch

· Regular diet as tolerated

· Vitals q4h

· Daily weights

· Monitor intake and output

· Type and cross for 2 units PRBCs

· Irradiate all blood products

· Infuse 6 pack of platelets for counts <20,000

· IV D5W/NS with 20 mEq KCl 1000 mL/8 hr

· Allopurinol 200 mg PO tid

· Fortaz 1 g IV q6h

· Aztreonam (Azactam) 2 g IV q12h

· Flagyl 500 mg IV q8h

· Acetaminophen two tablets q4h prn

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.



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