欢迎来到天天文库
浏览记录
ID:57123286
大小:9.86 MB
页数:73页
时间:2020-08-01
《心血管系统评估课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、心血管系統評估台大醫院外科加護病房陳淑卿督導長器官/系統在維持生命功能中的角色生命功能組成因素負責器官/系統OxygenationandCO2removalVentilation&diffusionCarryingPerfusionLungHgb-O(circulation)PerfusionPumpVolumeVasculartoneHeartNutrientsintakeDigestion,absorption,regulationPerfusionRegulationG-IHeartLiverNH4removalUreaf
2、ormationUreaexcretiontransportLiverKidneyHeart(pumping)VolumeH2OFluidbalanceKidney心血管身體評估--循環功能心臟功能評估動脈功能評估—溫度(冰冷)、顏色(發紺)、脈搏強度(無脈搏)靜脈功能評估--腫脹、發紺微血管功能評估--Capillaryrefilling心臟功能評估----組織灌流決定組織灌流之主要三因素Bloodvolume:intravascularfluid,脫水及出血等影響血液容量,可反應:PCWP、Basalrales---left
3、heartCVP(JVP)---rightatriumCardiacpumping:心肌收縮能力反應::SBP、HR、CardiacOutput/CardiacindexVasculartone反應:DBP、SVR、PVR處理順序:Volume→pumping→vasculartone組織灌流不足徵象Brain:changeofLevelOfConsciousnessKidney:U/O↓Heart:myocardialischemiaLung:pooroxygenation→vascularconstrictionLiver:
4、congestion&心源性肝小葉壞死GItract:ischemicLimbs:pale&cold、poorcapillaryrefilling循環功能失常見的症狀與徵候Lowcardiacoutput:heartfailure、shock、心包填塞等pale、coldlimbs、urineoutput↓、irritablepooractivitytolerance(weak)、pulmonaryedema、dyspnea、rales、limbedemaPulsuspressurenarrow(systolic-diastol
5、ic):正常為50mmHg。congestiveliver&spleenchangeofconsciousnessPalpitation:arrhythmiaChestpain:心肌缺氧、受損BasicCirculationCardiacoutput=strokevolumeXheartratesstrokevolumePreloadAfterloadcontractilityPreloadAfterloadPreload:TensiononthemusclebeforecontractileconsidertoLVEDPAft
6、erload:LoadagainstthecontractileforceconsidertotheascendingaortasystolicBP心血管系統評估測量:HR、Pulse、BP、CVP(JVP)、CO、SVR、SVO2、SPO2(Vitalsignalwaysfirstresponse)外觀:顏色、溫度、矢狀指、水腫、腹水症狀:病史:檢驗:LowcardiacoutputDecreasedcardiacoutputcausedbycardiacfactorDecreaseincardiacoutputcausedb
7、yperipheralfactors--decreasevenousreturnDecreasebloodvolumeDecreasevenousdilatationObstructionofthelargeveinshighcardiacoutputhighcardiacoutputisalmostalwayscausedbyreducedtotalperipheralresistanceberiberiaeteriovenousfistula(shunt)HyperthyrodismAnemia心臟評估—HRPMI(poin
8、tmaximalimpulse,localizedin-5intercostalspace)S3、S4:左心衰竭HeartMurmur評估工具-聽診器、血壓計、皮尺、聽診器適用膜面(diaphragm)高頻S1、S2、systolicclicks、腸音鐘面(be
此文档下载收益归作者所有