loop diuretics

Question 0

Therapeutic effects

Answer 0

Potent diuresis resulting in substantial fluid loss

Question 1

MOA

Answer 1

1. Inhibits Na+ & CL- in loop of Henle, and therefore H2O

2. Dilates blood vessels

Question 2

Indications

Answer 2

1. HTN

2. Fluid overload / edema associated with CHF, hepatic, or renal disease

Question 3

Precautions

Answer 3

1. Impaired renal function
2. Pre-existing dehydration
3. Pre-existing electrolyte disturbance (hypokalemia)

Question 4

Contraindications

Answer 4

1. Chronic renal failure
2. Untreated dehydration / electrolyte disturbances
3. Sulfa allergy

Question 5

Side / adverse effects

Answer 5

1. Electrolyte disturbances = hypokalemia

2. Dehydration, hypotension, dizziness

Question 6

Nursing actions

Answer 6

Assessment: BP, I/O, BUN / CR, K+, Mg++

Question 7

example drug

Answer 7

Lasix

furosemide