Hyperkalemia
Can be an acutely life-threatening medical emergency Can be the result of 1 of 4 mechanisms Increased potassium intake Enhanced potassium absorption Impaired potassium excretion Potassium shifts Out of cells into the serum Multiple possible etiologies Pseudohyperkalemia Increased potassium intake and absorption Potassium supplements Impaired renal excretion Drugs: ace ard nsaids cox2inhibitors, K sparing diuretics Hypoaldosteronism Transcellular shifts Rhabdomyolisis Cellular injury Thrombocytosis Leukocytosis DIAGNOSIS S/Sx: depend on level AND RATE of increase Primary Symptoms E
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