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An elderly patient who has depression is ordered Aventyl (nortriptyline HCI) 25 mg po tid. The label reads Aventyl Oral Solution 10 mg/5 mL. How many mL will you administer.
The physician gives orders to infuse 1 L of lactated Ringer’s in 15 hours. Calculate the flow rate in milliliters per hour.
The prescriber ordered 200 milligrams po b.i.d. of indomethacin (Indocin), an anti-inflammatory drug used in the treatment of rheumatoid arthritis. The capsules are labeled 50 mg. How many capsules equal the prescribed dosage?
IV Rate•Always check the order before beginning calculations!•Electronic infusion devices always regulate in mL/hr!•Also, With microgtt tubing, gtt/min is equal to mL/hr•Formula: Total volume (mL) = TV = mL/hrTotal Time (hr) TT•Round your answers to the nearest whole number.
Example The physician order: Administer D5NS 1500 mL every 24 hours via continuous IV infusion. How many mL/hr should be administered?
The physician order is to administer 50 mL of fluid over 10 minutes via the patient’s IV. How should the infusion controller be set?
THE MAGIC FORMULA:The Drops per Minute FormulaV1 X V2____________= gtts/minttm
Example The physician has ordered 1000 mL of D5W to run for 8 hours. The administration set is 20 gtts/mL. How many drops per minute should the patient receive?
Sample problemsOrder: Ancef 1 g in 100 mL of D5W IVPB to be infused over 45 minutes by microdrop tubing.Calculate the gtts/min
The physician orders 1000 mL lactated Ringer’s to infuse at 125 mL/h for a postoperative patient. Tubing drop factor is 20 gtt/mL. Calculate the flow rate in drops per minute.