DefinitionHypovolemic shock is an emergency condition in which severe blood and fluid loss makes the heart unable to pump enough blood to the body. This type of shock can cause many organs to stop working.Alternative NamesShock - hypovolemicCauses, incidence, and risk factorsLosing about 1/5 or more of the normal amount of blood in your body causes hypovolemic shock.Blood loss can be due to:Bleeding from cutsBleeding from other injuriesInternal bleeding, such as in the gastrointestinal tractThe amount of circulating blood in your body may drop when you lose too many other body fluids, which can happen with:BurnsDiarrheaExcessive perspirationVomitingSymptomsAnxiety or agitationCool, clammy skinConfusionDecreased or no urine outputGeneral weaknessPale skin color(pallor)Rapid breathingSweatin