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

Case Study 23. Anorexia Nervosa

A 17-year-old female high school student is admitted by her parents for self-induced starvation, vomiting, and laxative abuse. The 12-week hospital stay is for management of diet with a 1- to 2-lb/week weight gain goal. The orders from the physician include:

· DSM-IV evaluation

· Nutritional consult for 1500-calorie diet advance to 3500 calories over 12 weeks

· CBC, platelet count, and sedimentation rate

· WBC with differential

· Electrolytes, BUN, and creatinine

· Liver enzymes

· Urinalysis

· ECG

· Daily weight

· Intake and output

· 1000 cc IV D5/LR with 20 mEq K+ to infuse over 8 hr

· Olanzapine (Zyprexa) 10 mg PO HS

· Fluoxetine (Prozac) 60 mg/day PO qAM

· Amitriptyline 25 mg PO qid

· Cyproheptadine 32 mg/day PO in 4 divided doses

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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