Pharmacokinetics Notes 2023|2024 Reviewed
PHARMACOKINETICS Pharmacokinetics is how a drug moves throughout the body to achieve its desired action. Pharmacokinetics plays an important role in maximizing beneficial effects of drug therapies, and minimizing harm. It is important that nurses understand pharmacokinetics in order to maintain patient safety. The term pharmacokinetics corresponds to assessment in the nursing process. You are assessing the patient to determine if the medication is providing the desired action and response for the patient. The level of response to a drug directly correlates to the amount, or concentration, of the drug at its action site. The goal is to balance drug concentrations to be just high enough to create the desired response but low enough to minimize harm. This middle ground is achieved using the most appropriate route, dosage, and dosage schedule. The four processes of pharmacokinetics are absorption, distribution, metabolism (or biotransformation), and excretion (or elimination). Drug Absorption Process:
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