Lasix G1

Question 1

Lasix Class

Answer 1

• Loop diuretic

Question 2

Lasix MOA

Answer 2

• Inhibits electrolyte reabsorption in the ascending Loop of Henley.
• Promotes excretion of sodium, potassium, and chloride.
• Increased venous capacity and decreases afterload due to vasodilation.

Question 3

Lasix Indications

Answer 3

• Pulmonary edema, secondary to renal failure
• Congestive heart failure

Question 4

Lasix Adult dose

Answer 4

• IV Lasix: 0.5 – 1 mg/kg IV/IO slow (over 1 to 2 minutes); (max dose 40mg)
  • if no response, double the second dose to 2 mg/kg IV/IO slow (over 1 to 2 minutes); (max dose 40mg)
• PO Lasix: 2x patient’s normal daily dose, if no effects in 20 min. may repeat with 2x first dose

Question 5

Lasix Contraindications

Answer 5

• Known hypersensitivity to Lasix or sulfa meds
• Inability to urinate (anuria)
• Hypovolemia
• Hypotension

Question 6

Lasix Adverse reactions

Answer 6

• May exacerbate hypovolemia
• Hyperglycemia
• Hypokalemia
• May decrease the body’s response to vasopressors

Question 7

Lasix Pediatric dose

Answer 7

• 1 mg/kg IV/IO slow (over 1 to 2 minutes); (max dose 40mg)