UNIT 7 Loop Diuretic CHAPTER 41

Question 1

What is the action of furosemide

Answer 1

ACTION
* INHIBITS WATER AND SODIUM REABSORPTION, POTASSIUM,
MAGNESIUM AND CALCIUM ARE ALSO EXCRETED
* ACT ON ASCENDING LOOP OF HENLE

• USES
• TREAT FLUID RETENTION CAUSED BY HEART FAILURE
• RENAL DYSFUNCTION
• CIRRHOSIS
• HYPERTENSION
• PULMONARY EDEMA

WASTE ALL ELECTROLYES , NEED POTASSIUM SUPPLEMEMT

Question 2

Side effects of Furosemide

Answer 2

GI DISTRESS
* DIZZINESS
* WEAKNESS
* PHOTOSENSITIVITY

Question 3

Adverse effects of Furosemide

Answer 3

FLUID AND ELECTROLYTE IMBALANCES
* ORTHOSTATIC HYPOTENSION, HYPOTENSION
* HYPERGLYCEMIA
* HEARING LOSS – WHEN IV PUSHING TOO FAST

Question 4

Contraindications of Furosemide

Answer 4

CONTRAINDICATIONS
* SEVERE ELECTROLYTE IMBALANCE
* HYPOVOLEMIA
* ALLERGY TO SULFA DRUGS

• CAUTION
• HEART FAILURE
• DIABETES
• INTERACTIONS
• ANTICOAGULANTS (INCREASED BLEEDING)
• STEROIDS (INCREASED K LOSS)
• DIGOXIN IF HYPOKALEMIA IS PRESEN