This document provides three case studies about patients who developed pulmonary edema due to fluid overload from intravenous (IV) fluids. The first case involves an elderly dehydrated woman who developed pulmonary edema after receiving an entire bag of IV fluids too quickly without a pump after a day at the beach. The second case is about a small 22-year-old special needs patient who received multiple bags of IV fluids over three days for pneumonia and dehydration and subsequently developed pulmonary edema. The third case discusses a 32-year-old man with cardiomyopathy who was admitted for the flu and received multiple bags of IV fluids, resulting in pulmonary edema. The document asks questions about each case regarding risk factors and how pulmonary