lasix Flashcards Preview

► Med Misc 49 > lasix > Flashcards

Flashcards in lasix Deck (11)
1

Lasix Mechanism of action

*Enhances excretion of sodium, chloride, potassium by direct action @ ascending limb of Henle
*Produces dieresis
*decrease blood pressure

2

Lasix Doses

PO
Initially 20-80 mg/dose
Can increase by 20-40 mg
q6-8 hrs

3

Lasix Side affects

Frequent urination
Nausea
Dyspepsia (heartburn)
Abdominal cramps
Diarrhea or constipation

4

Lasix Contraindications

Anuria

5

Lasix Absorption

Absorbed-GI tract
Metabolize- liver
Excreted- urine

6

Lasix Nursing implications

Check VS B/P & pulse for hypotension
Assess baseline serum electrolytes
Skin turgor, temp & moisture
Mucous membrane
Muscle strength
Check I & O

7

How does a diuretic work?

Blocks the absorption of sodium & chloride in kidneys
Causes increase of urine output

8

Loop of Henle is found where and allows what?

Found in nephrons (tiny tube inside the kidney which filters solutes

Allows kidneys to filter out salt & maintain balance of water

9

What is a loop diuretic ?

It works in the ascending loop of Henle

10

Uses for lasix

Edema associated with CHF
chronic renal failure
Hepatic cirrhosis
HTN
Acute pulmonary edema

11

Lasix Classification

Loop diuretic
Diuretic