Respuesta :
A client is diagnosed with acute kidney failure secondary to dehydration. an intravenous (iv) infusion of 50% glucose with regular insulin is prescribed to address for Correct hyperkalemia.
Hyperkalemia is a potentially life-threatening metabolic problem caused by inability of the kidneys to excrete potassium, impairment of the mechanisms that move potassium from the circulation into the cells, or a combination of these factors. Acute episodes of hyperkalemia commonly are triggered by the introduction of a medication affecting potassium homeostasis; illness or dehydration also can be triggers. In patients with diabetic nephropathy, hyperkalemia may be caused by the syndrome of hyporeninemic hypoaldosteronism.
The presence of typical electrocardiographic changes or a rapid rise in serum potassium indicates that hyperkalemia is potentially life threatening. Urine potassium, creatinine, and osmolarity should be obtained as a first step in determining the cause of hyperkalemia, which directs long-term treatment. Intravenous calcium is effective in reversing electrocardiographic changes and reducing the risk of arrhythmias but does not lower serum potassium.
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