Causes of edema causes cardiac edema congestive heart

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Unformatted text preview: O3) • To correct alkalosis: ammonium chloride (NH4Cl) Objective 4: Objective Identify causes of edema for which diuretics are often used. Causes of Edema Causes • Cardiac edema (congestive heart failure) • Acute Pulmonary Edema • Liver disease (cirrhosis or other portal obstruction) – can cause ascites – made worse by lack of plasma proteins • Renal disease (if kidney still functioning) • Pregnancy (caution: some diuretics teratogenic) – Special Caution: Potassium depletion--especially if on digitalis Objective 5: Objective • When given the mechanism of action of a diuretic, identify electrolyte and acid-base imbalances which might occur. Osmotic Diuretics Osmotic • Osmotically hold water and increase urine volume (ex. mannitol) – increased flow through nephron causes some sodium diuresis • Renal Uses – good for maintaining urine volume • Shock • Poisoning – prevent kidney failure – BUT – not for treating e...
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