Page 2449 - Saunders Comprehensive Review For NCLEX-RN
P. 2449

17 mmol/L). Too rapid administration
                                                                of IV fluids; use of the incorrect types
                                                                of IV fluids, particularly hypotonic
                                                                solutions; and correcting the blood
                                                                glucose level too rapidly can lead to
                                                                cerebral edema.
                                                             c. Treat hyperglycemia with insulin
                                                                administered intravenously as
                                                                prescribed.
                                                             d. Correct electrolyte imbalances
                                                                (potassium level may be elevated as a
                                                                result of dehydration and acidosis).
                                                             e. Monitor potassium level closely,
                                                                because when the client receives
                                                                treatment for the dehydration and
                                                                acidosis, the serum potassium level
                                                                will decrease and potassium
                                                                replacement may be required.
                                                             f. Cardiac monitoring should be in place
                                                                for the client with DKA due to risks
                                                                associated with abnormal serum
                                                                potassium levels.

                                                      4. Insulin IV administration

                                                             a. Use short-duration insulin only.
                                                             b. An IV bolus dose of short-duration
                                                                regular U-100 insulin (usually 5 to 10
                                                                units) may be prescribed before a
                                                                continuous infusion is begun.
                                                             c. The prescribed IV dose of insulin for
                                                                continuous infusion is prepared in
                                                                0.9% or 0.45% NS as prescribed.
                                                             d. Always place the insulin infusion on an
                                                                IV infusion controller.
                                                             e. Insulin is infused continuously until
                                                                subcutaneous administration resumes,
                                                                to prevent a rebound of the blood
                                                                glucose level.
                                                             f. Monitor vital signs.
                                                             g. Monitor urinary output and monitor for
                                                                signs of fluid overload.
                                                             h. Monitor potassium and glucose levels
                                                                and for signs of increased intracranial
                                                                pressure (ICP).
                                                             i. The potassium level will fall rapidly
                                                                within the first hour of treatment as
                                                                the dehydration and the acidosis are
                                                                treated.


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