Question

3. 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 D5W. How many mL/hour should the IV infuse?

4. A nurse is preparing to administer nipride (nitroprusside) 4mcg/kg/min by continuous IV infusion to a client who weighs 57kg. Available is nitroprusside 50mg in 250mL D5W. How many mL/hour should the nurse set the IV pump?

5. The patient is prescribed lidocaine 3 mg/min by continuous IV infusion. The pharmacy sends this patient 2 g of lidocaine in 500 mL D5W. How many mL per hour should the nurse set the IV pump?

Answer 1

3.

A nurse is preparing to administer nitroglycerin 15 mcg/min by continuous IV infusion.

So in 1 hour, the nurse will infuse

Available is nitroglycerin 25 mg in 250 mL. of dextrose 5% in D5W.

1 mg = 1000 mcg

25 mg = 25,000 mcg

That means, Available quantity nitroglycerin 25,000 mcg in 250 mL.

So,

Answer - The IV should infuse 9 ml/hr.

4.

Order dose nipride (nitroprusside) 4mcg/kg/min

client weight is 57kg

So the client need

So in 1 hour the client need

Available quantity nitroprusside 50mg in 250mL D5W.

1 mg = 1000 mcg

50 mg = 50,000 mcg

That means available quantity nitroprusside 50,000 mcg in 250mL D5W.

So,

Answer - The nurse will set the infusion pump at 68.4 ml/hr.

5.

Order dose lidocaine 3 mg/min

So in 1 hour the patient needs

Available quantity 2 g of lidocaine in 500 mL D5W

1 g = 1000 mg, so 2 g = 2000 mg

So available quantity 2000 mg of lidocaine in 500 ml of D5W.

So,

Answer - The nurse will set the IV pump at 45 ml/hr.