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Pharm Exam 3-Diuretics
Pharmacy
18
Medical
Professional
10/25/2012

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Term
Acetazolamide- Mechanism
Definition
50%, Carbonic Anhydrase Inhibitor, inhibits NaHCO3 reabsorption
Term
Azetazolamide- Site
Definition
Proximal convoluted Tubule
Term
Azetazolamide- Adverse effects
Definition
Metabolic acidosis
Term
Furosemide-Mechanism
Definition
35%, Blocks Na+/K+/2Cl- cotransporter
Strongest
Useful in edema, heart failure, renal failure, acute hypercalcemia
Term
Furosemide- Site
Definition
Loop of Henle, thick ascending limb
Term
Furosemide-Adverse effects
Definition
Loss of magnesium and calcium
Hypovolemia (dehydration), hypokalemia
Hearing loss, especially with aminoglycoside antibiotics
Hyperglycemia, hyperuricemia
Term
Hydrochlorothiazide- mechanism
Definition
10%, Blocks Na+/Cl- cotransporter by binding to it,
Moderate
Hypercalciurea, osteoporosis, diabetes insipidus
Term
HCTZ- site
Definition
Distal convoluted tubule
Term
HCTZ-adverse
Definition
Hyperglycemia, hypokalemia, hyperuricemia
Term
Spironolactone-mechanism
Definition
Aldosterone receptor antagonist, binds but doesn't produce effect
K+ sparing
Compensatory salt retaining
Good hyperaldosteronism
Term
Spironolactone- site
Definition
Cortical collecting duct, aldosterone receptor
Term
Spironolactone- adverse
Definition
Transient natriuresis
Hyperkalemia
Gynecomastia, menstrual abnormalities
Term
Amiloride/Triamterene-mechanism
Definition
Blocks epithelial Na+ channels,
K+ sparing
Weak
Term
Amiloride/Triamterene-site
Definition
Cortical collecting duct, ENaC
Term
Amiloride/Triamterene-adverse
Definition
Hyperkalemia
Term
Mannitol-mechanism
Definition
Osmotic diuretics, increases Osmolality of plasma and draws from interstitial fluid, filtered into glomerulus not reabsorbed in tubule, not metabolized by body
Acute glaucoma, acute renal failure, cerebral edema
Term
Mannitol- site
Definition
Glomerulus
Term
Mannitol- adverse
Definition
Increase ECF volume can lead to pulmonary congestion, heart failure
Retards water reabsorption in proximal tubule
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