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(2005-04-15 18:44:57)

ContinuousWaveDoppler:LeftParasternalTransducerPosition

CWBeamintheRightVentricularOutflowTractandPulmonaryArtery
CWBeam:IntheRightVentricularOutflowTractandPulmonaryArteryNormalFlow:SystolicAbnormalFindings:Increasedsystolicflowvelocityandspectralbroadeningduetoasubpulmonicstenosisortoaventricularseptaldefect.Highvelocityretrogradediastolicflowandspectralbroadeningduetop...[阅读全文]
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(2005-04-15 18:44:00)

ContinuousWaveDoppler:ApicalTransducerPosition


CWBeam:IntheLeftVentricularInflowTractandLeftAtriumNormalFlow:PrimarilydiastolicAbnormalFindings:Increasedsystolicflowvelocityandspectralbroadeningduetomitralstenosis.Highvelocityretrogradesystolicflowandspectralbroadeningduetomitralregurgitation.


CWBeam:IntheLeftVentricularOutflowTractandAscending...[阅读全文]
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(2005-04-15 18:42:29)

ContinuousWaveDoppler
ContinuouswaveDopplerisdifferentiatedfrompulsedwaveDopplerbythefactthatinformationaboutflowoccurringalongtheentirecontinuouswavebeamisprocessedanddisplayed.Flowoccurringinoneormoreflowareasintheheartmayberecordedsimultaneouslywithoutanydepthspecificinformation.Thefollowingtransducerpositionsmaybeusedtorecordflowinformationusingcontinuouswavetechniques:
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(2005-04-15 18:41:09)

OtherSamplingSites:ParasternalShortAxisViews
AorticValveLevelAsystolicflowdisturbanceduetomitralregurgitationmaybedetectedintheleftatrium.ShuntflowacrossasubmembranousVSDmaybeparalleltotheultrasoundbeamwhenthesamplevolumeispositionedontherightsideoftheinterventricularseptuminashortaxisplanejustbelowtheaorticvalve.
MitralValveLevelAdiastolicflowdisturbanceduetomitralstenosismaybedetectedbey...[阅读全文]
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(2005-04-15 18:39:22)

OtherSamplingSites
ParasternalLongAxisViewThisviewmaybeparticularlyusefulforrecordingaventricularseptaldefect(VSD)becausetheultrasoundbeammaybeparalleltotheshuntflowfromthisapproach.Evidenceofotherflowdisturbancesthatmayberecordedfromaperpendicularapproachinthisparasternallongaxisviewincludes:LeftArrium(LA):SystolicspectralbroadeningduetomitralregurgitationLeftVentricularInflowTract(LVIT)Diast...[阅读全文]
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(2005-04-15 18:35:43)

PulsedWaveDoppler:ParasternalShortAxisViewPulmonaryArtery
SampleVolume:IntheRightVentricularInflowTract(RVIT)NormalFlow:PrimarilydiastolicAbnormalFinding:Increaseddiastolicflowvelocityandspectralbroadeningduetotricuspidstenosis.
SampleVolume:IntheRightAtrium(RA)NormalFlow:DiastolicAbnormalFinding:Highvelocityretrogradesystolicflowandspectralbroadeningduetotricuspidregurgitation.
Sample...[阅读全文]
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(2005-04-15 18:33:06)

CardiacDoppler:NormalSpectralDopplerPatterns:StudyContentPulsedWaveDoppler:SuprasternalNotchView
SampleVolume:Intheascendingaorta(ascAo)NormalFlow:SystolicAbnormalFindings:Increasedsystolicflowvelocityandspectralbroadeningduetoaorticorsubaorticstenosis.Retrogradediastolicflowduetosevereaorticinsufficiency.
SampleVolume:InthedescendingaortaNormalFlow:SystolicAbnormalFinding:Inc...[阅读全文]
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(2005-04-11 16:51:49)

营养丰富,但含草酸,影响钙吸收
国家蔬菜系统工程研究中心 唐晓伟  
  近来,随着春笋上市,医院里因为“尝鲜”而引发过敏性皮炎、呼吸道及消化道疾病的病人也随之增多。春季本来就容易过敏,尤其是对于患有摄入性过敏症的人来说,吃鲜笋更要小心。
  春笋一向被誉为“春天的菜王”,是因为它肉质鲜嫩、营养丰富,纤维素和氨基酸的含量尤其高[阅读全文]
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(2005-04-11 16:49:45)
受农药和汽车尾气污染,铅汞含量高
国家蔬菜系统工程研究中心 饶璐璐  
  很多人喜欢在马路边的草地上或公园里挖野菜,一来是图方便,二来认为它是天然的绿色食品,吃着放心。其实,并非所有在自然环境中生长的野菜都是无污染的。
  在工业废水流经的草地、马路两旁生长的野菜,因遭受废水、汽车尾气等的污染,导致其中汞、铅等重金属含量及其[阅读全文]
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(2005-04-11 16:46:17)
婆婆丁炒肉丝
  原料:婆婆丁250克,猪肉100克,姜末、碘盐、鸡精、酱油、白糖、料酒、花生油、淀粉适量
  做法:1.将猪肉洗净切丝后用适量碘盐、酱油、鸡精、白糖、淀粉拌匀,腌渍一会待用。婆婆丁清洗干净后用沸水约焯半分钟捞出,用清水洗一遍,沥去水,切段。2.热锅放油,投入肉丝和姜末并快速翻炒至肉丝散开,放入婆婆丁,再撒上适量盐,炒均匀即可[阅读全文]
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