The human body maintains a delicate balance of fluids and electrolytes to help ensure proper functioning and homeostasis. When fluids or electrolytes become imbalanced, individuals are at risk for organ system dysfunction. If an imbalance goes undetected and is left untreated, organ systems cannot function properly and ultimately death will occur. Nurses must be able to recognize subtle changes in fluid or electrolyte balances in their clients so they can intervene promptly. Timely assessment and intervention prevent complications and save lives.