lasix Flashcards
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1
Q
Lasix Mechanism of action
A
- Enhances excretion of sodium, chloride, potassium by direct action @ ascending limb of Henle
- Produces dieresis
- decrease blood pressure
2
Q
Lasix Doses
A
PO
Initially 20-80 mg/dose
Can increase by 20-40 mg
q6-8 hrs
3
Q
Lasix Side affects
A
Frequent urination Nausea Dyspepsia (heartburn) Abdominal cramps Diarrhea or constipation
4
Q
Lasix Contraindications
A
Anuria
5
Q
Lasix Absorption
A
Absorbed-GI tract
Metabolize- liver
Excreted- urine
6
Q
Lasix Nursing implications
A
Check VS B/P & pulse for hypotension Assess baseline serum electrolytes Skin turgor, temp & moisture Mucous membrane Muscle strength Check I & O
7
Q
How does a diuretic work?
A
Blocks the absorption of sodium & chloride in kidneys
Causes increase of urine output
8
Q
Loop of Henle is found where and allows what?
A
Found in nephrons (tiny tube inside the kidney which filters solutes
Allows kidneys to filter out salt & maintain balance of water
9
Q
What is a loop diuretic ?
A
It works in the ascending loop of Henle
10
Q
Uses for lasix
A
Edema associated with CHF chronic renal failure Hepatic cirrhosis HTN Acute pulmonary edema
11
Q
Lasix Classification
A
Loop diuretic
Diuretic