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心脏停跳后,由于机体缺血、缺氧以及由缺氧所导致的一系列病理生理变化均较严重,虽经一期复苏处理后心跳恢复,但这只是抢救工作迈出的最初一步,紧接着要进行二期复苏处理,即竭尽全力维持循环和呼吸功能,以保证组织的血液灌注和氧供,纠正重要器官的缺氧状态和代谢紊乱,复苏后虽自主心跳恢复,但低血压、心律失常、心力衰竭等并不能随之好转,若不及时纠正,除影响各组织的血液灌注和氧供外,甚至加重脑组织的损害,导致急性肾功能不全,最后导致心跳、呼吸再度停上。因此,如何维持有效血循环,保证组织的血液供应,是复苏过程中的重要环节。
After cardiac arrest, due to body ischemia, hypoxia and hypoxia caused by a series of pathophysiological changes are more serious, although after a recovery of heart recovery, but this is only the first step in the rescue work, tight Followed by the second phase of recovery, that is, to make every effort to maintain circulation and respiratory function, in order to ensure the organization’s blood perfusion and oxygen supply, to correct hypoxia and metabolic disorders of vital organs, although the recovery after the recovery of spontaneous heartbeat, but hypotension, heart rhythm Abnormalities, heart failure and the like can not be followed up. If not corrected in time, in addition to blood perfusion and oxygen supply to various organizations, the damage to brain tissue is even aggravated, leading to acute renal insufficiency and eventually to heartbeat and resumption of breathing. Therefore, how to maintain an effective blood circulation and ensure the organization’s blood supply is an important part of the recovery process.