In cases of hypovolemic shock, of which there are thousands every year, physicians try to stanch bleeding or other fluid美国每年约有数千起的低血容积性休克病例，医师为了补充患者流失的血液或体液，会试著止血或阻止其他体液的流失，再为患者输血或给予生理食盐水，或两种都补充。