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600 mg ÷ 200 = 3 mg each --> 84 × 3 = 252 mg

A multi-faceted approach including protocols, education, monitoring, and use of technology like programmable pumps can reduce risks.

Calcium and phosphate can precipitate in TPN if not carefully managed. Best practices include using calcium gluconate (less dissociation than calcium chloride), adding phosphate first and calcium last, using lower final concentrations, and ensuring proper refrigeration. Calcium and phosphate added should not exceed 45 mEq/L. Maintain proper pH (lower pH = less risk of precipitation). Refrigerate the bag once prepared.

1/2 NS = 0.45% NaCl = 0.0045 g/mL --> 600 mL × 0.0045 g/mL = 2.7 g

All women of childbearing age should get folic acid to prevent neural tube defects in case of pregnancy. It’s recommended regardless of birth control use.

Paul is under 65 but has diabetes, which places him in a high-risk group for pneumococcal disease. Current ACIP guidelines recommend: Pneumococcal vaccination: Patients aged 19–64 with diabetes should receive either: PCV20 alone, or PCV15 followed by PPSV23 (at least 1 year apart, or 8 weeks in immunocompromised).
Annual influenza vaccination: He should receive an inactivated influenza vaccine like Fluvarin. FluMist is not recommended in high-risk patients (e.g., diabetes, chronic conditions). Shingles vaccine (Shingrix) is approved for immunocompetent adults ?50 years or ?19 if immunocompromised, so Peter does not yet qualify based on age alone.

ACE inhibitor–induced dry cough can be resolved by switching to an ARB like valsartan, which doesn't affect bradykinin levels.

Qsymia contains phentermine and topiramate ER, both of which are teratogenic and require a REMS program with pregnancy testing.

Smokers >25 cigarettes/day should start with 4 mg gum. 2 mg is for lighter smokers. There are 20 cigarettes in 1 pack.

Betaxolol is beta-1 selective and less likely to exacerbate respiratory conditions. The others are non-selective.