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30 Cards in this Set

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What are the two main purposes of diuretics?
decrease HTN
Decrease edema in CHF
Action of diuretics
Inhibiting sodium and water re absorption in nephron tubules
Classifications of diuretics
Thiazides
Loop
K Sparing
Carbonic anhydrase inhibitors
Osmotic
Main use for Carbonic Anhydrase Inhibitors
Decrease formation of aqueous humor in the eye
Treats glaucoma

Sometimes used as anti seizure med
gleich
right away, similar, identical
Carbonic anhydrase inhibitors treat...
Glaucoma
Edema
Epilepsy
High Altitude sickness
heart failure
Side effects of Carbonic anhydrase Inhibitors
Metablic acidosis
anorexia
hematuria
photosensitivity
drowsiness
paresthesias
urticaria
melena
Important drugs for Carbonic Anhydrase Inhibitors
Acetazolamide (Diamox)
Dorzolamide (Truspot)
Ocular stinging, bitter taste
Action of Loop Diuretics
Act directly on the ascending limb of the loop of Henle (inhibit Na and Cl resorption)
Increase renal prostaglandins (dilation of blood vessels)
Loop diuretics deplete which electrolyte?
Potassium
Important drugs for Loop diuretics
Bumetanide (Bumex)
Ethacrynic acid (Edecrin)
Furosemide (Lasix)***
Torsemide (Demadex)
CNS side effects of Loop Diuretics
Dizziness, HA, tinnitus, blurred vision
GI side effects of Loop Diuretics
Nausea, Vomiting, Diarrhea
Hematologic effects of Loop Diuretics
Angranulocytosis, Neutropenia, Thrombocytopenia
Metabolic side effects of Loop Diuretics
Hypokalemia, Hyperglycemia, Hyperuricemia, Hypercalcemia
How should a client take their Loop Diuretic?
In the morning to avoid voiding at night
Increase intake of potassium rich foods
Action of Osmotic diuretics
Works in the proximal tubule. Pulls water into the blood vessels and nephrons from the surrounding tissues
Uses for Osmotic Diuretics
Maintain UOP and prevent ARF in conditions such as show
Reduce ICP caused by cerebral edema
Reduce IOP
Eliminate toxins through the kidney
Important drug for Osmotic Diuretics (Only one)
Mannitol (Osmitrol)
Adverse effects of Osmotic Diuretics
Convulsions
Thrombophlebitis
Pulmonary congestion
Precipitate CHF
HA, chest pains, tachycardia, blurred vision, chills, and fever
What needle should you use to infuse Osmotic diuretics?
Filter needle and inline filter on iv set
Action of Potassium Sparing Diuretics
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
Important drugs for Potassium Sparing Diuretics
Spironolactone (Aldactone)
Triamterene (Dyrenium)
Amiloride (Midamor)
Action of Thiazide Diuretics
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
Important Thiazide Diuretics
hydrochlorothiazide
chlorothiazide
trichlormethiazide
Important Thiazide Like Diuretics
Chlorthalidone
metolazone
What are Thiazide Diuretics mostly used for?
HTN
What should patients taking Thiazide Diuretics avoid excessive consumption of?
Licorice
How should patients take Diuretics in general?
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
Which foods are high in Potassium?
bananas, oranges, dates, raisins, plums, fresh veggies, potatoes, meat, fish