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Diuretics

Terms in this set (13)

Loop Diuretic
acts via ascending loop of henle inhibits reabsorption of NA and thus lose Na, K, Ca, MG

Dose related effects- more we give more it works

2-3x more potent than thiazides
Lasix
Furosemide (loop)

sulfa drug

oral dose: 20-80mg
oral onset: 1/2-1hr

IV dose: 20-40mg
IV onset: 5min
Lasix SE
ortho hypotension, N/V/W/HA, rash/photosensitivity, blurred vision, ototoxicity, vertigo, high lipids BUN and creat, hyperglycemia, hyperuricemia
Lasix AE
severe dehydration, low BP, renal failure and low platelets

do not give w kidney failure or if BP or K are too low
Lasix Nursing Interventions
Monitor VS, urine output, weight

administer IV slowly

normal potassium 3.5-5.3

take in AM and with food
Thiazides
do not work as well as Lasiz

do not use in severe cases

act at distal convoluted renal tubule
Thiazides SE
N/V/D/C, dizzy, vertigo, rash, photosensitivity, high glucose, lipids
Thiazides AR
dehydration, low BP and K anemias, low platelets
Nursing Interventions Thiazides
Monitor VS, electrolytes, calcium, uric acid, glucose, lipids

take in Am

change positions slowly

check glucose

use sunblock

decrease salt
Osmotic Diuretics Uses
mannitol

prevent kidney failure, decrease ICP and IOP
Osmotic Diuretic Action
increases osmolarity of plasma and fluid in renal tubules, major site of action in proximal tubules
Osmotic Diuretic SE
fluid and electrolyte imbalances pulmonary edema, N/V, tachycardia, acidosis

do not use if solution has crystals
Potassium Sparing Diuretics
spironolactone (aldactone)

mild diuretic used with anti HTN meds

weaker than thiazides and loop

interfere w aldosterone

causes to hold onto K+ so do not give K+ supplements

do not give if K is >5.2

use cautiously w poor renal function
THIS SET IS OFTEN IN FOLDERS WITH...