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30 Cards in this Set
- Front
- Back
What are the two main purposes of diuretics?
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decrease HTN
Decrease edema in CHF |
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Action of diuretics
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Inhibiting sodium and water re absorption in nephron tubules
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Classifications of diuretics
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Thiazides
Loop K Sparing Carbonic anhydrase inhibitors Osmotic |
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Main use for Carbonic Anhydrase Inhibitors
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Decrease formation of aqueous humor in the eye
Treats glaucoma Sometimes used as anti seizure med |
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gleich
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right away, similar, identical
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Carbonic anhydrase inhibitors treat...
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Glaucoma
Edema Epilepsy High Altitude sickness heart failure |
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Side effects of Carbonic anhydrase Inhibitors
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Metablic acidosis
anorexia hematuria photosensitivity drowsiness paresthesias urticaria melena |
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Important drugs for Carbonic Anhydrase Inhibitors
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Acetazolamide (Diamox)
Dorzolamide (Truspot) Ocular stinging, bitter taste |
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Action of Loop Diuretics
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Act directly on the ascending limb of the loop of Henle (inhibit Na and Cl resorption)
Increase renal prostaglandins (dilation of blood vessels) |
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Loop diuretics deplete which electrolyte?
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Potassium
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Important drugs for Loop diuretics
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Bumetanide (Bumex)
Ethacrynic acid (Edecrin) Furosemide (Lasix)*** Torsemide (Demadex) |
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CNS side effects of Loop Diuretics
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Dizziness, HA, tinnitus, blurred vision
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GI side effects of Loop Diuretics
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Nausea, Vomiting, Diarrhea
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Hematologic effects of Loop Diuretics
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Angranulocytosis, Neutropenia, Thrombocytopenia
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Metabolic side effects of Loop Diuretics
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Hypokalemia, Hyperglycemia, Hyperuricemia, Hypercalcemia
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How should a client take their Loop Diuretic?
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In the morning to avoid voiding at night
Increase intake of potassium rich foods |
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Action of Osmotic diuretics
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Works in the proximal tubule. Pulls water into the blood vessels and nephrons from the surrounding tissues
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Uses for Osmotic Diuretics
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Maintain UOP and prevent ARF in conditions such as show
Reduce ICP caused by cerebral edema Reduce IOP Eliminate toxins through the kidney |
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Important drug for Osmotic Diuretics (Only one)
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Mannitol (Osmitrol)
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Adverse effects of Osmotic Diuretics
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Convulsions
Thrombophlebitis Pulmonary congestion Precipitate CHF HA, chest pains, tachycardia, blurred vision, chills, and fever |
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What needle should you use to infuse Osmotic diuretics?
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Filter needle and inline filter on iv set
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Action of Potassium Sparing Diuretics
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Primarily on distal tubule
Blocks action of aldosterone on the DT Inhibits exchange of Na and K in tubules Na is eliminated and K is retained |
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Important drugs for Potassium Sparing Diuretics
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Spironolactone (Aldactone)
Triamterene (Dyrenium) Amiloride (Midamor) |
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Action of Thiazide Diuretics
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Inhibit tubular resporption of sodium and Cl ions to excrete WATER, SODIUM, and CHLORIDE
and POTASSIUM to a lesser extent Dilates arterioles by direct relaxation |
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Important Thiazide Diuretics
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hydrochlorothiazide
chlorothiazide trichlormethiazide |
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Important Thiazide Like Diuretics
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Chlorthalidone
metolazone |
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What are Thiazide Diuretics mostly used for?
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HTN
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What should patients taking Thiazide Diuretics avoid excessive consumption of?
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Licorice
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How should patients take Diuretics in general?
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Take in the morning as much as possible
Potassium supplements are usually not recommended when potassium levels are great than 3 Notify physician if they experience fast HR or syncope Report a weight gain of two or more lbs a day or more than 5 lbs a week |
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Which foods are high in Potassium?
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bananas, oranges, dates, raisins, plums, fresh veggies, potatoes, meat, fish
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