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13 Cards in this Set

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  • Back
Diuretic purpose
Accelerate urine formation to reduce extracellular fluid
Action of diuretics
Direct arteriole dilation
Loop Diretics
Bumex, Edecrin, Lasix
Mechanism of Action of Loop Diretics
Inhibit Cl and Na resorption
Reduction in preload and central venous pressure
Rapid acting
Effect lasts 2 hours
Drug effects of Loop Diuretics
Potent Diuresis and fluid loss
Reduced BP
Reduced vascular resistance
Potassium and Sodium depletion
Indications of Loop Diuretics -
Edema associated with HF, or hepatic or renal disease
- control of HTN
-increase renal excretion of calcium in pt with hypercalcemia
Contraindications of loop diuretics
Known allergy
Hepatic coma
Severe electrolyte loss
Loop Diuretics Adverse Effects : CNS
Dizziness
Headache
Tinnitus
Blurred vision
Loop Diuretics Adverse Effects : GI
Nausea
Vomiting
Diarrhea
Loop Diuretics Adverse Effects :
Hematologic
Agranulocytosis
Neutropenia
Thrombocytopenia
Loop Diuretics Adverse Effects ; metabolic
Hypokalemia
Hyperglycemia
Hyperuricemia
Hypocalcemia
Potassium sparing diuretics -
Acts of collecting ducts and distal convoluted tubules
-interfere with Na/ K exchange
- weak diuretics used with thiazide diuretics
Nursing implications of diuretics -
Monitor pts
BP, HR, weight, I&O, and peripheral edema
- monitor electrolyte leves esp. K+ and blood glucose
- observe for dizziness, weakness, abd. Cramping
teach pt to get up slowly to avoid postural hypotension