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Chapter2:ECHOCARDIOGREAPHY
1.NormalEchocardiography
TechnologyofEchocardiographyBasicTechnology:Transthoracic:M-Mode,2-D,DopplerTransesophygeal:Everyday,OR
TechnologyofEchocardiographyOthers:Realtime3-DECHOSTRESSECHODopplerTissueImage,DTIAcousticQuantification,AQColorKinesis,CKIntravascular/intracardiacMyocardialcontractechocardiography,MCEStranrate:
心脏的位置Theheartisintheleftsideofthemiddlemediastinum
ValvesChambersandSeptum
ParasternalApicalSubcostalSupersternalEchocardiographicviews
ParasternalLong-AxisView:Orientingtheplaneofsoundalongthemajoraxisoftheheart,formthepatient’slefthiptotherightshoulder.
AnatomyFourChambers:Walls:Atriawall:2~3mmRightVentricularwall:3~5mmLeftVentricularwall:8~11mmHeartValve:MitralValve,TricuspidValveAorticvalve,PulmonaryValve
ParasternalLong-axisview
?Rotatingthetransducer900clockwisefromtheparasternallong-axisview(2)Parasternalshort-axisview:
Short–axisview
attheMVlevelLeftventricle:CircleRightventricle:CrescentshapeMV:FishmonthatdiastolicLineatsystolic
Apical4chamberview4chamberMV,TVAtrialSeptumVentricularSeptum
(3)心尖四腔心切面
Apical5chamberviewThesoundplanetiltedanteriorly
SupraternalView
SubcostalView
M-mode
⒈Levelofaorticvalve
⒉LevelofMV
⒊LevelofVentricle
ColorDopplerColorcodedRed、Blue、GreenRed:BloodflowtowardthetransducerBlue:BloodflowawayfromthetransducerGreen:Turbulence,Thevelocityisproportionaltothebrightnessofthecolor
SpectralDoppler(PWCW)Vertical=Velocity,Horizontal:TimeAboveBaseline=TowardtotransducerBelowBaseli
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