Imprecise language is a problem here. In clinical use, overload refers to an active (iatrogenic) intervention, and volume refers to the amount of fluid infused. This becomes essentially fluid overload. Fluid overload is an excessive expansion or transfusion of the extracellular fluid space with crystalloid, high in salt content, usually isotonic. Confining overload to the circulatory or “blood” volume requires overtransfusion with whole blood, plasma, and other iso-oncotic products. Although “congestion” on this basis alone was once spoken of, it is a now a rare event.