Control Mechanisms Blood flow Initially, vasoconstriction to site assists fibrin formation As blood flow returns to normal, coagulation is limited since there is a dilution of the concentration of activated factors Activated factors are taken away from fibrin clot bound to inhibitory pr...
创伤急救、止血和包扎.ppt 热度: 止血与凝血障碍的检验 热度: Mucocutaneous Hemorrhage Definition Mucocutaneoushemorrhageiscausedbythe abnormalitiesofhemostasis()and/or coagulation(),characterizedbylocalor extensivemucocutaneoushemorrhagederived fromcapillary.Thebleedingisusually ...
II. C and II: Ag are reduced, indicating factor II synthesis barrier; such as II: C reduction while II: Ag normal, indicating factor II molecular structure abnormalities. The fourth section: anticoagulant function test I. The significance of cross test of blood coagulation time is the ...
Hemostasis/coagulationisthebody'snormalphysiologicalresponseforthepreventionandstoppingofbleeding/hemorrhage.Hemotasis Primaryhemostasis---plateletplugformationatsitesofinjurySecondaryhemostasis---plasmacoagulationsystemreactionresultinginfibrinformation Primaryandsecondaryhemostasisarecloselylinked Vesselwall Blood...
诊断学英文课件：Thrombosis and Hemostasis SHENGJINGHOSPITALOFCHINAMEDICALUNIVERCITY SHENGJINGHOSPITALOFCHINAMEDICALUNIVERCITY SHENGJINGHOSPITALOFCHINAMEDICALUNIVERCITY EPDumlembepooVnlauerisnyTEhmrobmobliossmis SHENGJINGHOSPITALOFCHINAMEDICALUNIVERCITY Classification vasculardisordersplateletdisordersdisordersofbloodcoagulation...
1.血管收缩（vesselcontraction）2.血小板止血栓的形成（plateletplugformation）3.血液凝固（bloodcoagulation）血管损伤 血管收缩 生理性止血过程示意图 Followingdamage,thereisanimmediatereflexthatpromotesvasoconstriction,thusdiminishingbloodloss.血管损伤 血管内皮下组织暴露 血管收缩 血小板激活（黏附、聚集、释放）血小板止...
1、SHENGJING HOSPITAL OF CHINA MEDICAL UNIVERCITY,Thrombosis and Hemostasis,SHENGJING HOSPITAL OF CHINA MEDICAL UNIVERCITY,SHENGJING HOSPITAL OF CHINA MEDICAL UNIVERCITY,SHENGJING HOSPITAL OF CHINA MEDICAL UNIVERCITY,Classification,vascular disorders platelet disorders disorders of blood coagulation di 2、sorders...
thepreventionandstoppingof bleeding/hemorrhage. Hemotasis Primaryhemostasis ---plateletplugformationatsitesof injury Secondaryhemostasis ---plasmacoagulationsystemreaction resultinginfibrinformation Primaryandsecondaryhemostasisarecloselylinked Vesselwall Bloodplatelets Coagulation factors anti-coagulation substances ...
1. Vascular Spasms In response to damage of an artery or arteriole the rings of smooth muscle in the walls of the vessel begin to spasm immediately This reduces blood loss and gives time for other mechanisms to begin The spasms are caused by chemicals that are released by the smooth muscle...
1.Bloodvessel 2.Platelet 3.Coagulationsystem4.Anti-coagulationsystem5.Fibrinolysissystem NORMALHEMOSTASIS 1.VesselWallVasocontraction:TXA2ET(endothelin)Endothelialcellfactors 2.Platelet 血小板聚集 流动的盘状血小板滚动的球形血小板 半球形血小板 牢固、但可逆性的粘附 平铺的血小板不可逆的粘附 盘状静止期血小板的...