lasix

Question 1

Lasix Mechanism of action

Answer 1

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

Question 2

Lasix Doses

Answer 2

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

Question 3

Lasix Side affects

Answer 3

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

Question 4

Lasix Contraindications

Answer 4

Anuria

Question 5

Lasix Absorption

Answer 5

Absorbed-GI tract
Metabolize- liver
Excreted- urine

Question 6

Lasix Nursing implications

Answer 6

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

Question 7

How does a diuretic work?

Answer 7

Blocks the absorption of sodium & chloride in kidneys

Causes increase of urine output

Question 8

Loop of Henle is found where and allows what?

Answer 8

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

Allows kidneys to filter out salt & maintain balance of water

Question 9

What is a loop diuretic ?

Answer 9

It works in the ascending loop of Henle

Question 10

Uses for lasix

Answer 10

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

Question 11

Lasix Classification

Answer 11

Loop diuretic

Diuretic