NSC 330 Diuretic furosemide (lasix)
fast acting diuretic
How does a furosemide work?
It is a loop diuretic that inhibits the reabsorption of sodium and chloride.
What is the ending for loop diuretics?
What are the pharmacotherapeutics of furosemide?
peripheral and pulmonary edema and HTN
What is the pharmacokinetics of administration of furosemide?
IV or oral
What are the pharmacokinetics of metabolism of furosemide?
highly protein bound
What is the pharmacokinetics of excretion of furosemide?
What are the contra indications and precautions for furosemide?
What are the adverse effects of furosemide?
electrolyte imbalance, ototoxicity, alteration in glucose levels, hypokalemia
When should you give furosemide? (time of day)
at home it should be taken in the morning
what should you monitor when using furosemide?
electrolyte levels, K+ levels
What electrolyte does furosemide mostly effect?
potassium (it can cause hypokalcemia)
How long do you need to monitor the electrolyte levels when using furosemide?
What pt. teaching should you give about furosemide?
importance of follow up blood work for electrolyte levels
s/s to report to doctor
What should the ongoing assessment and evaluation include furosemide?
effects of the therapy. is it working. EDEMA and Lower Blood pressure
What lab value should you check prior to giving furosemide?
K+, K+< K+,
How do you give a pt. an ototoxic reaction to furosemide?
injecting it too fast. you need to inject it over 2 minutes or longer.
What 2 drugs will interact with furosemide?
digoxin and aminoglycoside
To avoid a severe drop in blood pressure what should you do when giving furosemide
titrate it slowly
How should furosemide be given to a pt. with severe CHF
How should furosemide be given to a pt. with severe edema?
After giving furosemide how long will it take to see the effect?
30 minutes and they will need to pee.
What lab values are needed for the ongoing assessment?
uric acid, serum electrolyte and CBC