Lasix

Question 1

Generic name

Answer 1

Furosemide

Question 2

Class

Answer 2

Loop diuretic

Question 3

Action

Answer 3

Inhibits reabsorption of Na and Cl in loop of henle. Increases renal excretion of water, Na, Cl, Mg, K+, and Ca.

Question 4

Therapeutic effects

Answer 4

Diuresis and mobilization of of excess fluid. Decreases BP

Question 5

Therapeutic effects

Answer 5

Diuresis and mobilization of of excess fluid. Decreases BP

Question 6

Adverse Reactions/ SE

Answer 6

Hypotension, erythema multiforme, Steven-Johnsons, toxic epidermal necrolysis, dehydration, Loss of electrolytes including K+, Ca, Cl, Mg, Na or metabolic alkalosis, aplastic anemia, agranulocytosis

Question 7

Adverse Reactions/ SE

Answer 7

Hypotension, erythema multiforme, Steven-Johnsons, toxic epidermal necrolysis, dehydration, Loss of electrolytes including K+, Ca, Cl, Mg, Na or metabolic alkalosis, aplastic anemia, agranulocytosis

Question 8

Contradictions/Precautions

Answer 8

hepatic impairment, electrolyte depletion, diabetes, renal impairment, hypotension

Question 9

Interactions

Answer 9

Digoxin- May cause increased risk of digoxin toxicity with depletion of potassium Lopressor- decreased BP

Question 10

Evaluation/Desired Effect

Answer 10

Decrease in BP, edema and/or weight. Increase in urinary output

Question 11

Route/Dosage

Answer 11

PO: 20-80mg/ day. Increase dose by 20-40mg every 6-8 hours until desired response. It may be once a day or twice a day dosing.

Question 12

Nursing Implications/Implementations

Answer 12

Assess for fluid status, I&O, daily weight, edema, lung sounds, and skin rash. Monitor BP and pulse. and electrolytes

Question 13

Patient/Family teaching

Answer 13

Change positions slowly to minimize orthostatic hypotension. A diet high in potassium may be necessary. Call MD if weight gain greater than 5 lbs in 1 day or rash or muscle weakness occurs