Diuretics Flashcards
Acetazolamide
Carbonic anhydrase inhibitor
Carbonic anhydrase inhibitors
Acetazolamide
Brinzolamide
Dorszolamide
Brinzolamide
Carbonic anhydrase inhibitor
Topical for glaucoma
Dorszolamide
Carbonic anhydrase inhibitor
Topical for glaucoma
Carbonic anhydrase inhibitor
Mechanism of action
Inhibition of the enzyme prevents dehydration of H2CO3 and hydration of CO2 in the proximal convoluted tubule
Inhibition of the enzyme prevents dehydration of H2CO3 and hydration of CO2 in the proximal convoluted tubule
Carbonic anhydrase inhibitor
Mechanism of action
Acetazolamide
Mechanism of action
Inhibition of the enzyme prevents dehydration of H2CO3 and hydration of CO2 in the proximal convoluted tubule
Carbonic anhydrase inhibitor
Effects
- Reduces reabsorbtion of HCO3- , causing self-limited diuresis
- hyperchloremic metabolic acidosis reduces body ph, reduces intraocular pressure
Carbonic anhydrase inhibitor
Clinical applications
Glaucoma, moutain sickness, edema with alkalosis
Glaucoma, moutain sickness, edema with alkalosis
Carbonic anhydrase inhibitor
Clinical applications
Loop diuretics
Furosemide
Bumetanide
Torsemide
Ethacrynic acid
Furosemide
Loop diuretic (sulfonamide)
Bumetanide
Loop diuretic (sulfonamide)
Torsemide
Loop diuretic (sulfonamide)
Ethacrynic acid
Loop diuretic (not sulfonamide)
Furosemide
Mechanism of action
Inhibition of the Na/K/2Cl in the ascending limb of Henle’s loop
Inhibition of the Na/K/2Cl in the ascending limb of Henle’s loop
Furosemide
Mechanism of action
Loop diuretics
Mechanism of action
Inhibition of the Na/K/2Cl in the ascending limb of Henle’s loop
Loop diuretics
Effects
- Marked increase in NaCl excretion
- Some K wasting
- Hypokalemic metabolic alkalosis
- Increased urine Ca and Mg
- Marked increase in NaCl excretion
- Some K wasting
- Hypokalemic metabolic alkalosis
- Increased urine Ca and Mg
Loop diuretics
Effects
Loop diuretics
Clinical applications
-Pulmonary edema.
-Peripheral edema.
-Hypertension.
-Acute hypercalcemia.
-Acute hyperkalemia.
-Renal failure anion overdose (bromide, fluoride,
and iodide.
-Pulmonary edema.
-Peripheral edema.
-Hypertension.
-Acute hypercalcemia.
-Acute hyperkalemia.
-Renal failure anion overdose (bromide, fluoride,
and iodide.
Loop diuretics
Clinical applications
Loop diuretics
Toxicity
Ototoxicity Hypovolemia K wasting Hyperuricemia Hypomagnesemia
Thiazide diuretics
Hydrochlorothiazide Chlorothiazide Bendroflumethiazide Hydroflumethazide Methyclothiazide Indapamide
Hydrochlorothiazide
Thiazide diuretic