冠心病冠心病冠心病的概念冠心病的概念•一支或多支心外冠脉因一支或多支心外冠脉因ASAS斑块及斑块及//或或痉挛性狭窄或闭塞,导致所属心肌急性或慢痉挛性狭窄或闭塞,导致所属心肌急性或慢性缺血或坏死
性缺血或坏死
急性冠脉综合症急性冠脉综合症AcuteCoronarySyndrome(ACS)AcuteCoronarySyndrome(ACS)ACS冠脉内不稳定AS斑块破裂↓激发血栓形成↓相关冠脉突然闭塞、严重狭窄↓急性缺血综合症猝死、急梗、不稳定心绞痛InflammationInflammationInflammationInflammationAtherosclerosisAtherosclerosisAtherosclerosisAtherosclerosisThrombosisThrombosisThrombosisThrombosisThrombusQuiescentplaquePlateletsandthrombinPlaqueruptureAcuteCoronarySyndromesEvolvingUnderstandingofPathophysiology1
ACS临床分类及病变基础临床分类及病变基础•ST抬高的ACSST抬高性急性心肌梗死(STEMI)无ST抬高的ACS无ST抬高的AMI不稳定性心绞痛(unstaleanginaUA)CK-MBorTroponinTroponinelevatedornotACSwithoutpersistentST-segmentelevationACSwithpersistentST-segmentelevation2
急性心肌梗死急性心肌梗死AcuteMyocardialInfarction(AMI)AcuteMyocardialInfarction(AMI)(1)AMI的病理生理急性血栓性冠脉闭塞后心肌损伤