Page 1387 - Saunders Comprehensive Review For NCLEX-RN
P. 1387

c. Excess secretion of aldosterone causes
                                                                sodium and water retention and
                                                                potassium excretion, leading to
                                                                hypertension and hypokalemic
                                                                alkalosis.
                                             2. Assessment
                                                             a. Symptoms related to hypokalemia,
                                                                hypernatremia, and hypertension
                                                             b. Headache, fatigue, muscle weakness
                                                             c. Cardiac dysrhythmias
                                                             d. Paresthesias, tetany
                                                             e. Visual changes
                                                             f. Glucose intolerance
                                                             g. Elevated serum aldosterone levels
                                             3. Interventions
                                                             a. Monitor vital signs, particularly blood
                                                                pressure.
                                                             b. Monitor potassium and sodium levels.
                                                             c. Monitor intake and output and urine
                                                                for specific gravity.
                                                             d. Monitor for hyperkalemia, particularly
                                                                for clients with impaired renal function
                                                                or excessive potassium intake, because
                                                                potassium-retaining diuretics and
                                                                aldosterone antagonists may be
                                                                prescribed to promote fluid balance
                                                                and control hypertension.
                                                             e. Administer potassium supplements as
                                                                prescribed to treat hypokalemia;
                                                                clients taking potassium-retaining
                                                                diuretics and potassium
                                                                supplementation are at risk for
                                                                hyperkalemia.
                                                             f. Prepare the client for adrenalectomy.
                                                             g. Maintain sodium restriction, if
                                                                prescribed, preoperatively.
                                                             h. Administer glucocorticoids
                                                                preoperatively, as prescribed, to
                                                                prevent adrenal hypofunction and
                                                                prepare for stress of surgery.
                                                             i. Monitor the client for adrenal
                                                                insufficiency postoperatively.
                                                             j. Instruct the client regarding the need for
                                                                glucocorticoid therapy following
                                                                adrenalectomy.
                                                             k. Instruct the client about the need to
                                                                wear a MedicAlert bracelet.
                                E. Pheochromocytoma



                                                         1387
   1382   1383   1384   1385   1386   1387   1388   1389   1390   1391   1392