A patient has been receiving oral Aminophylline Tablets. Aminophylline is 80% theophylline. The doctor wants to change giving oral theophylline. If the patient has been receiving 500 mg of aminophylline, and theophylline is available in tablets of 100 mg. How many tablets will the patient need per dose?
500 mg aminophylline (x) 0.8 (for 80% theophylline) = 400 mg theophylline 400 mg theophylline (div by) 100 mg per tab = 4 tabs
A patient has the following labs. Calculate their corrected calcium. Serum Ca=11.6, Serum Albumin = 3.6
Measured Serum Calcium + 0.8 (4.0 - Serum Albumin)
11.92 mg/dL
A physician orders one liter of 3% sodium chloride injection for a sodium-depleted patient. You have 0.9% sodium chloride injection in one-liter bags and sodium chloride injection, 23.4%, in 50 ml vials. How many milliliters of the 23.4% NaCl solution will you ADD TO the one-liter bag of 0.9% NaCl to prepare the 3% sodium chloride injection?
102.9 mL of 23.4% NaCl