MED SURG 209 - MED SURG II – MASTER HESI REVIEW.

MED SURG 209 - MED SURG II – MASTER HESI REVIEW. Review Topics Part 1 1) Diabetes Insipidus – page  Caused by a deficiency of production of ADH or a decreased renal response to ADH.  Clinical Manifestations: Polydipsia and Polyuria.  Diagnostic Studies: Water deprivation test (pt deprived of water for 8-12 hrs and then given desmopressin acetate subcut or nasally), Measure level of ADH after an analog of ADH is given.  Types of Diabetic Insipidus: Central DI (results from an interference of ADH synthesis, transport, and release. Ex: brain tumor, head injury, brain surgery, CNS infection), Nephrogenic DI (results from inadequate renal response to ADH despite presence of adequate ADH. Ex: Drug therapy, renal damage, hereditary renal disease), Primary DI (Results from excessive water intake. Ex: Structural lesion in thirst center, psychological disorder).  Nursing Management: Early detection, Maintaining adequate hydration, and patient teaching for long-term management.