文档介绍:该【循环系统常见症状体征英 】是由【读书之乐】上传分享,文档一共【69】页,该文档可以免费在线阅读,需要了解更多关于【循环系统常见症状体征英 】的内容,可以使用淘豆网的站内搜索功能,选择自己适合的文档,以下文字是截取该文章内的部分文字,如需要获得完整电子版,请下载此文档到您的设备,方便您编辑和打印。1MainSymptomsandSignsmonCardiovascularDiseases*循环系统常见症状体征英*Outline2010ClinicalDiagnosticsValvularHeartDisease?MitralStenosis (MS)?MitralRegurgitation/Insufficiency(MR/MI)?AorticStenosis (AS)?AorticRegurgitation/Insufficiency(AR/AI)HeartFailurePericardialEffusion*循环系统常见症状体征英*ValvesofHeartvalveannulus/valveringvalveleaflet/cuspmitr*循环系统常见症状体征英*4*循环系统常见症状体征英*Mfi1llUfl0fCló]f)YalvesofHeart???Q@(heartindiastole:vie?edir0mbasewahariaemo?ec*循环系统常见症状体征英*6MitralStenosis(MS)Predominantlycausedbyrheumaticfever.*循环系统常见症状体征英*7mitralvalveareaMSnormalMVAmildmoderatesevere4~~~<*循环系统常见症状体征英*Normal----thecross-sectionalarea4~6cm2AbnormalMildMS -------orifice<2cm2bloodLA——→LVpropelledbyasmallandabnormalpressuregradient20mmHgModerateMS:--------orifice<↑,PCWP↑,——→interstitialedemameansLVpressureof25mmHgSevereMS------orifice<1cm2PAP↑—→RVoverload—→RVfailure*循环系统常见症状体征英*PathophysiologyCross-sectionalareaofthemitralvalveorifice↓Rateofbloodflowacrossthemitralorifice↑Leftatrialpressure↑DilationofLAPulmonaryvenousandcapillarypressures↑PulmonarycongestionandedemaPulmonaryhypertensionRight heart failureDyspnea2010ClinicalDiagnostics*循环系统常见症状体征英*10?LApressure↑?Pulmonarycirculationpressure↑?RightheartfailurePathophysiologydilationhypertrophyfailure*循环系统常见症状体征英*