**Recognize the different clinical and laboratory abnormalities in isonatremic, hyponatremic, and hypernatremic dehydration.
**Know how to manage isonatremic dehydration.
**Know how to manage hyponatremic dehydration.
**Know how to manage hypernatremic dehydration.
**Recognize how to avoid as well as treat complications of fluid and sodium repletion.
**Understand which patients are candidates for oral rehydration.