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Calcium + phosphate precipitation is the greatest PN compatibility risk. Proper mixing order (phosphate first, calcium last) and concentration limits reduce risk. Potassium, magnesium, and sodium do not pose this same risk.

Nitroglycerin sublingual tablets are highly volatile and can adsorb to plastic. They must be stored and dispensed in the manufacturer’s original glass container. Dabigatran requires original packaging but not glass specifically. Apixaban and levothyroxine can be repackaged safely.

While DOT and IV-to-PO conversion are important process metrics, the 30-day C. difficile rate reflects downstream clinical outcomes of antimicrobial use and stewardship efficacy. Reducing unnecessary broad-spectrum exposure often lowers C. difficile incidence, a tangible patient-centered outcome linked to morbidity, length of stay, and costs. Expense per admission is financially relevant but indirect; DOT measures exposure burden but not patient harm. Selecting outcome metrics aligns with value-based care, guiding interventions (e.g., de-escalation, duration optimization) and demonstrating clinical impact to leadership and regulators.

Clozapine can cause agranulocytosis, a life-threatening drop in neutrophils. Any signs of infection (fever, sore throat) require urgent ANC measurement and possible discontinuation. Regular ANC monitoring is part of the REMS program. LFTs (A) are monitored for hepatotoxicity but not acute infection risk. Clozapine levels (C) are used in dose adjustments, not infection risk. Thyroid function (D) is unrelated. Rapid ANC assessment prevents severe complications.

Anthracyclines (doxorubicin, daunorubicin) are potent vesicants. Extravasation causes severe necrosis. Dexrazoxane is given IV as an antidote. Cyclophosphamide and methotrexate are irritants, cytarabine less severe. Central line administration is preferred for anthracyclines.