DIURETICS Flashcards
Example of Osmotic diuretic
Mannitol
Site of action of osmotic diuretics
Proximal tubule
Mechanism of osmotic diuretic
Osmotically draws water out of the ICF
Use of osmotic diuretic
Used in acute settings as it is fast acting
Site of action of Carbonic anhydrase inhibitors
Proximal tubule
Mechanism of carbonic anhydrase inhibitor
Inhibits CA
Use of carbonic anhydrase
Glaucoma
Example of loop diuretic
Furosemide
Site of action of loop diuretics
Thick ascending limb
Mechanism of loop diuretics
blocks Na/K/2Cl symporter
Use of loop diuretics
most effective
Example of thiazide diuretic
hydrochlorothiazide
Site of action of thiazide diuretics
Distal tubule
Mechanism of thiazide diuretics
inhibits Na/cl symporter
Use of thiazide diuretics
K sparring
Example of ENaC inhibitor
Amiloride
Site of action of ENaC inhib.
collecting duct
Mechanism of ENaC inhib.
inhibits ENaC channel
Use of ENaC inhib.
K sparring
Example of mineralocortical receptor antagonist
spirinolactone
Site of action of mineralocortical receptor antagonist
Collecting duct
Mechanism of mineralocortical receptor antagonist
aldosterone antagonist, decreases the amount of ENaC and Na/KATPase
Use of mineralocortical receptor antagonist
K sparring
Example of a methylxanthine
Caffeine
mechanism of methylxanthine
increase GFR via pre-renal mechanism