ATI Safe Dosage Calculations: Critical Care Medications

A nurse is preparing to administer 0.9% sodium chloride 1,200 ml to infuse over 6 hr to a client. The nurse should set the IV pump to deliver how many ml/hr?

1,200mL / 6hr = 200mL/hr

A nurse is preparing to administer amiodarone 0.5 mg/min by continuous IV infusion. Available is amiodarone 900 mg in 500 ml dextrose 5% in water (D5W). The nurse should set the IV pump to deliver how many ml/hr?

0.5mg X 60min = 30mg / 900mg = 0.0333333mg X 500mL = 16.666666667mL = 16.7mL

A nurse is preparing to administer magnesium sulfate 1.5 g/hr by continuous IV infusion. Available is magnesium sulfate 20 g in 500 ml dextrose 5% in water (D5W). The nurse should set the IV pump to deliver how many ml/ hr?

1.5g / 20g = 0.075g X 500mL = 37.5mL

A nurse is preparing to administer magnesium sulfate 1.75g/hr by continuous IV infusion. Available is 4g magnesium sulfate in 100mL dextrose 5% water. The nurse should se the IV pump to deliver how many mL/hr? (Round the answer to the nearest tenth. Use a leading zero is it applies. Do not use a trailing zero)

1.74g / 4g = 0.4375 X 100mL = 43.75 = 43.8mL/hr

A nurse is preparing to administer epinephrine 10 mcg/min by continuous IV infusion. Available is epinephrine 1 mg in 250 mL dextrose 5% in water (D5W). The nurse should set the IV pump to deliver how many mL/hr? Round to the nearest whole number.

10mcg / 1,000mcg = 0.01mg X 60mins = 0.6mg / 1mg = 0.6mg X 250mL = 150mL/hr

A nurse is preparing to administer a one time dose of gentamicin 120 mg over 2 hr to a client. Available is gentamicin 120 mg in 100 ml of 0.9% sodium chloride. The nurse should set the IV pump to deliver how many ml/hr?

120mg / 2 = 60mg / 120mg = 0.5mg X 100mL = 50mL/hr

A nurse is preparing to administer heparin 15 units/kg/hr by continuous IV infusion for a client who weighs 51 kg. Available is 25,000 units of heparin in 500 ml 0.9% sodium chloride. The nurse should set the IV pump to deliver how many mL/hr?

15 units X 51kg = 765units 765 / 25,000 = 0.306 0.306 X 500mL = 15.3mL

A nurse is preparing to administer nitroglycerin 15 mcg/min by continuous IV infusion. Available is nitroglycerin 25 mg in 250 ml of dextrose 5% in water (D5W). The nurse should set the IV pump to deliver how many ml/hr?

15mcg / 1,00mcg = 0.015mg 0.015mg X 60 min = 0.9mg 0.9mg / 25mg = 0.036mg 0.036mg X 250mL = 9mL/hr

A nurse is preparing to administer dobutamine 2.5 mcg/kg/min by continuous IV infusion to a client who weighs 65 kg. The amount available is dobutamine 250 mg/250 ml. The nurse should set the IV pump to deliver how many ml/hr?

2.5mcg / 1,000mcg = 0.0025mg X 65kg = 0.1625mg / 250mg = 0.00065mg X 250mL = 0.1625mL X 60min = 9.75 = 9.8mL/hr

A nurse is preparing to administer packed RBC's 280 ml IV to infuse over 4 hr to a client. The nurse should set the IV pump to deliver how many ml/hr?

280mL / 4hr = 70mL/hr

A nurse is preparing to administer lidocaine 2 mg/min by continuous IV infusion. Available is lidocaine 2 g in 500 ml dextrose 5% in water (D5W). The nurse should set the IV pump to deliver how many ml/hr?

2mg / 1000mg = 0.002g X 60mins = 0.12g / 2g = 0.06g X 500mL = 30mL/hr

A nurse is preparing to administer 0.9% sodium chloride 300 ml IV over 30 min to a client. The nurse should set the IV pump to deliver how many ml/hr?

30min / 60min = 0.5 hr 300mL / 0.5 = 600mL/hr

A nurse is preparing to administer lidocaine 3 mg/min by continuous IV infusion. Available is 2 g lidocaine in 500 ml dextrose 5% in water (D5W). The nurse should set the IV pump to deliver how many ml/hr?

3mg / 1000mg = 0.003g X 60min = 0.18g/hr / 2g = 0.09g X 500mL = 45m/hr

A nurse is preparing to administer potassium chloride 40 mEq to infuse over 4 hr to a client. Available is potassium chloride 40 mEq in 100 mL dextrose 5 % in 0.45 % sodium chloride (Ds 0.45 % NaCl). The nurse should set the infusion pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use trailing zero.) hr to a client. Available is potassium mL/hr

40mEq / 4hr = 10mEq / 40mEq = 0.25 X 100mL = 25mL/hr

A nurse is preparing to administer esmolol 45 mcg/kg/min by continuous IV infusion for a client who weighs 59 kg. Available is esmolol 2,500 mg in 250 ml dextrose 5% in water (D5W). The nurse should set the IV pump to deliver how many ml/hr

45mcg / 1,000mcg = 0.045mg X 60min = 2.7mg X 59kg = 159.3mg / 2,500mg = 0.06372 X 250mL = 15.93mL = 15.9mL

A nurse is preparing to administer dextrose 5% in water (D5W) 500 ml IV to infuse over 45 min to a client. The nurse should set the IV pump to deliver how many ml/hr?

45min / 60 min = 0.75 500mL / 0.75hr = 666.6666 = 667mL

A nurse is preparing to administer esmolol 50 mcg/kg/min by continuous IV infusion for a client who weighs 67 kg. Available is esmolol 2,500 mg in 250 ml dextrose 5% in water (D5W). The nurse should set the IV pump to deliver how many ml/hr?

50mcg / 1,000mcg = 0.05mg X 60min = 3mg X 67kg = 201mg / 2,500mg = 0.0804mg X 250mL = 20.1mL

A nurse is preparing to administer nitroglycerin 50mcg/min by continuous IV infusion. Available is nitroglycerin 25 mg in 250 ml of dextrose 5% in water (D5W). The nurse should set the IV pump to deliver how many ml/hr?

50mcg / 1,00mcg = 0.05mg 0.05mg X 60min = 3mg 3mg / 25mg = 0.12mg 0.12mg X 250mL = 30 mL

A nurse is preparing to administer nitroprusside 4 mcg/kg/min by continuous IV infusion to a client who weighs 57 kg. Available is nitroprusside 50 mg in 250 ml dextrose 5% in water (D5W). The nurse should set the IV pump to deliver how many ml/hr?

57kg X 4mcg/kg = 228mcg / 1,000mcg = 0.228mg x 60mins = 13.68mg / 50mg = 0.2736 X 250mL = 68.4

A nurse is preparing to administer dopamine 5 mcg/ kg/min by continuous IV infusion to a client who weighs 75 kg. The amount available is dopamine 800 mg/500 mL. The nurse should set the IV pump to deliver how many ml/hr?

5mcg / 1,000mcg = 0.005mg X 60min = 0.3mg / 800mg = 0.000375 X 500mL 0.1875mL X 75kg = 14.062 = 14.1 mL/ hr

A nurse is preparing to administer regular insulin 0.1 unit/kg/hr by continuous IV infusion to a client who weighs 60 kg. The amount available is regular insulin 50 units in 50 ml of sodium chloride. The nurse should set the IV pump to deliver how many ml/hr?

60kg X 0.1unit = 6units / 50 units = 0.12units X 50mL = 6mL/hr

A nurse is preparing to administer heparin 15 units/kg/hr by continuous IV infusion to a client who weighs 72 kg. Available is 25,000 units of heparin in 500 ml 0.9% sodium chloride. The nurse should set the IV pump to deliver how many ml/hr?

72kg X 15units/kg = 1,080units / 25,000units = 0.0432units X 500mL = 21.6mL

A nurse is preparing to administer 0.45% sodium chloride 750 ml IV to infuse over 2 hr to a client. The nurse should set the IV pump to deliver how many mL/hr

750mL / 2 = 375mL/hr

A nurse is preparing to administer nitroprusside 7 mcg/kg/min by continuous IV infusion to a client who weighs 63 kg. Available is nitroprusside 50 mg in 250 ml dextrose 5% in water (D5W). The nurse should set the IV pump to deliver how many ml/hr?

7mcg / 1,000mcg = 0.007mg 0.007mg X 60 min = 0.42mg 0.42mg X 63kg = 26.46mg 26.46mg / 50mg = 0.5292mg 0.5292mg X 250mL = 132.3

A nurse is preparing to administer epinephrine 8 mcg/min by continuous IV infusion. Available is epinephrine 1 mg in 250 ml dextrose 5% in water (D5W). The nurse should set the IV pump to deliver how many ml/hr?

8mcg / 1,00mcg = 0.008mg 0.008mg X 60 min = 0.48mg 0.48mg / 1mg = 0.48mg 0.48mg X 250mL = 120mL