dosing weight

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dosing weight

The body weight used for calculating the appropriate dosage of a medication for those whose weight exceeds the usual average range. Weight-based dosing is used to correct for different drug distributions and pharmacodynamics in overweight or obese patients.

CAUTION!

Obese patients metabolize fat-soluble medications differently from lean patients, and the differences may result in clinically important undermedication or overmedication. One formula used to calculate a safe weight-based dosage for obese patients depends on the total body weight (TBW) and ideal body weight (IBW) as follows: dosing weight = (0.3)(TBW–IBW) + IBW.

See also: weight

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Summary of Care Issues and Approaches Care Issues Approaches Availability and storage Hospital-purchased infusion pumps of infusion pumps and Central storage area for pumps supplies Supplies stocked in central supply and nursing units Low-infusion pump alarm Biomedical engineering department volume consultation Frequent checks and documentation on flow sheet Medication issues Multiple strengths of Pharmacy preparation of medication medication Timely medication System for medication ordering and delivery delivery Dosing weight Flow chart for safe drug administration Rate and dose Double check for accuracy Nursing care issues and Videotape, protocol, self-learning module education Bedside folders with drug information and resources Self-learning module for yearly review for nurses Table 4.