2023年全國(guó)碩士研究生考試考研英語(yǔ)一試題真題(含答案詳解+作文范文)_第1頁(yè)
已閱讀1頁(yè),還剩21頁(yè)未讀 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說(shuō)明:本文檔由用戶(hù)提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡(jiǎn)介

1、1.胸骨旁左室長(zhǎng)軸切面,(1)正常解剖結(jié)構(gòu)的超聲表現(xiàn):心底部自前向后分別為右室流出道、主動(dòng)脈根部及左心房,正常三者內(nèi)徑基本相同。中部由前向后依次為右室前壁、右室流出道、室間隔、左室流出道、左室流入道(二尖瓣前、后葉及腱索)。心尖部自前向后依次為室間隔、左室腔及左室后壁。(2)選用范圍:1)右主流出道:評(píng)價(jià)右窒流出道有無(wú)狹窄、擴(kuò)大等。2)主動(dòng)脈根部;評(píng)價(jià)主動(dòng)脈根都病變,包括有無(wú)管壁增厚、夾層,管腔擴(kuò)大、狹窄;竇部擴(kuò)大、瘤樣膨出或破

2、口;瓣葉(右及無(wú)冠瓣)增厚、纖維化或鈣化、贅生物、脫垂、梿枷樣運(yùn)動(dòng)、開(kāi)放受限或關(guān)團(tuán)不全等,并可分別測(cè)量瓣環(huán)、竇部、嵴部及開(kāi)主動(dòng)脈徑,3)左心房;觀察并測(cè)量左心房大小、左房?jī)?nèi)有無(wú)血栓、腫瘤、隔膜、左房下后方冠狀靜脈竇有無(wú)擴(kuò)大,后方異常管道結(jié)構(gòu)(肺總靜脈)。4)右室前壁;評(píng)價(jià)右室前壁有無(wú)液區(qū)(心包積液),心室壁有無(wú)增厚、右室腔大小。5)室間隔:測(cè)量室間隔厚度(肥厚或變薄)及運(yùn)動(dòng)幅度(減弱或不運(yùn)動(dòng))、回聲;室間隔中都連續(xù)中斷(肌部間隔缺

3、損),上部與主動(dòng)脈前壁連續(xù)中斷(膜周或嵴下型室間隔缺損),主動(dòng)脈騎跨于室間隔上(法洛四聯(lián)癥或永存動(dòng)脈干),心尖部室間隔連續(xù)中斷(室壁穿孔)等。6)左室腔及左室后壁:測(cè)心腔大小、后壁厚度及運(yùn)動(dòng)幅度、觀察心腔形態(tài),有無(wú)心尖圓鈍(擴(kuò)大)、室壁膨出(室壁瘤)及附壁血栓等。7)二尖瓣及瓣器;觀察二尖瓣葉的厚度、回聲強(qiáng)度彈性、開(kāi)閉活動(dòng)、有無(wú)增厚、鈣化、贅生物等異常,鍵索有無(wú)增厚、粘附著于室間隔等,二尖瓣前葉根部與主脈后壁的纖維連續(xù)是否正常,有無(wú)

4、肌性連續(xù)(右室雙出口、大血管轉(zhuǎn)位)。,胸骨旁左室長(zhǎng)軸切面,(3)正常值:①主動(dòng)脈內(nèi)徑:胸旁左室長(zhǎng)軸切面,收縮末期徑,環(huán)部前后徑為1.6-2.6cm ,竇部為2.4-3.9cm,主動(dòng)脈竇上(嵴部)為2.1-3.4cm ,升主動(dòng)脈為2.2-3.4cm,主動(dòng)脈弓徑為2.2-2.7cm。②左房?jī)?nèi)徑:前后徑(收縮末期徑、主動(dòng)脈竇后方垂直距離)為2.4-3.3cm 。,③右室內(nèi)徑: 前后徑(舒張末期徑,腱索水平測(cè))為2.0cm 以下。④左室內(nèi)

5、徑:前后徑(腱索水平):舒張末期為3.7-5.2cm;收縮末期為2.3-3.6cm。⑤室間隔厚度(舒張末期,腱索水平測(cè)):( 9.4士0.9 ) mm。⑥左室后壁厚度(舒張末期,腱索水平測(cè)):( 9.4士0 . 8 ) mm 。,胸骨旁左室長(zhǎng)軸切面Schematic diagram of the parasternal long-axis view in diastole,showing the aortic root (Ao),

6、 sinotubular junction (STJ), closed right coronary and noncoronary cusps of the aortic valve (RCC and NCC), the open anterior and posterior mitral valve leaflets (AMVL and PMVL), and the left ventricular septum and pos

7、terior wall. The medial papillary muscle has been shown for reference, although slight medial angulation is needed to visualize this tructure in the long-axis view. The right ventricular outflow tract (RVOT) is anterio

8、r, while the coronary sinus (CS) in the atrioventricular groove and the descending aorta (DA) are seen posteriorly. The right pulmonary artery (RPA) lies posterior to the ascending aorta. The position of the pericardiu

9、m is indicated by the thin line. Normal parasternal long-axis 2D echo images at end-diastole (above) and end-systole (below).,2.右室流出道切面,解剖圖,3.右室流入道切面,showing the right ventricle (RV) and atrium (RA),tricuspid valve (T

10、V), and ostia of the coronary sinus (CS) and inferior vena cava (IVC).,Schematic and 2D echo images in a right ventricular inflow view,,4.胸骨旁主動(dòng)脈根部短軸切面,(1)正常結(jié)構(gòu)的超聲表現(xiàn):圖像左側(cè),從前向后依次為右室流出道、肺動(dòng)脈瓣、肺動(dòng)脈主干及左右肺動(dòng)脈。中部為右室流出道、主動(dòng)脈根部、左房

11、。右側(cè)為右室流入道、三尖瓣、右心房,(2)此切面選用范圍:1)測(cè)量主肺動(dòng)脈及左右肺動(dòng)脈徑,評(píng)價(jià)肺動(dòng)脈有無(wú)狹窄或擴(kuò)大。2)測(cè)量肺動(dòng)脈瓣環(huán)徑,觀察肺動(dòng)脈瓣開(kāi)、閉運(yùn)動(dòng),評(píng)價(jià)有無(wú)狹窄(法洛三聯(lián)癥、四聯(lián)癥等)、閉鎖(肺動(dòng)脈閉鎖、假性共干等)。3)觀察主、肺動(dòng)脈的空間位置關(guān)系。4)測(cè)量右心室流出道內(nèi)徑及前壁厚度,評(píng)價(jià)有無(wú)狹窄擴(kuò)大及增厚,有無(wú)異常結(jié)構(gòu)(隔膜、下移的三尖瓣或

12、 腫瘤)。 5)觀察主動(dòng)脈瓣葉數(shù)目(二瓣或多瓣畸 形), 厚度及三個(gè)瓣葉的關(guān)系及交界處 有無(wú)粘連,瓣葉有無(wú)狹窄及關(guān)閉不全。 6)觀察主動(dòng)脈竇病變(主動(dòng)脈竇瘤或竇瘤

13、 破裂)。 7)觀察左右冠狀動(dòng)脈開(kāi)口及主干有無(wú)病變 (冠狀動(dòng)脈開(kāi)口異常、擴(kuò)大、狹窄或閉塞)。 8)觀察右房大小及三尖瓣有無(wú)病變(狹 窄、關(guān)閉不全、Ebstein 畸形、三尖瓣閉鎖)。,胸骨旁主動(dòng)脈根部短軸切面,(3) 正常測(cè)值:1)右室流出道徑(自室上嵴至流出道前壁垂直距離);舒張末期為1.9-2.5cm。2

14、)主肺動(dòng)脈徑(胸旁主動(dòng)脈根部短軸切面,瓣上1cm 處):舒張末期為1.5-2.5cm。3)肺動(dòng)脈瓣環(huán)徑為1.1-2.2cm ,右肺動(dòng)脈徑0.8-1.6cm ,左肺動(dòng)脈徑l.0-1.4cm。,胸骨旁主動(dòng)脈根部短軸切面Schematic diagram of a parasternal short-axis view at the aortic valve level,showing the relationship betwee

15、n the three cusps of the aortic valve--right coronary cusp (RCC), noncoronary cusp (NCC), left coronary cusp (LCC)--and the left atrium (LA), right atrium (RA), right ventricular outflow tract (RVOT), and the pulmon

16、ary artery (PA) with right (RPA) and left (LPA) branches. The positions of the right coronary artery (RCA), left main coronary artery (LMCA), pulmonic valve, and tricuspid valve are shown.Two-dimensional echocardio

17、graphic images at the aortic valve level in systole (above) and diastole (below). Note the three open leaflets of the aortic valve in systole and the normal perpendicular relationship of aortic and pulmonic valves,,

18、5.胸骨旁腱索水平短軸切面,1)正常結(jié)構(gòu)的超聲心動(dòng)圖表現(xiàn):圖右側(cè)依次顯示左室前壁、側(cè)壁、后壁,中部為室間隔。右前方為右室前壁、右室腔及右室后壁。,2)此切面選用范圍:①測(cè)量左室腔徑(前后及左右徑),評(píng)價(jià)左室大小,觀察左室壁厚度及室腔形態(tài)(正常左室腔呈圓形),腔內(nèi)顯示乳頭肌上緣或鍵索。②右室腔大小、位置及形態(tài),有無(wú)擴(kuò)大、轉(zhuǎn)位。3)正常測(cè)值:左室橫徑舒張末期為3.3-5.3cm ,收縮末期為2.4-4.2cm。,Re

19、lationship between the short-axis plane with left ventricular wall segments indicated, and the apical four-chamber, two-chamber, and long-axis image planes (perpendicular to the short-axis plane).,6.心尖四腔切面,(1)正常解剖結(jié)構(gòu)的超聲心動(dòng)

20、圖表現(xiàn): 圖像右側(cè)自上向下依次為左心室、二尖瓣、左房,左側(cè)為右心室、三尖瓣、右房,中央為室間隔、房間隔。,(2)此切面選用范圍:1)觀察與測(cè)量心室及心房大小及形態(tài);2)觀察房、室間隔連續(xù)情況;3)觀察室壁厚度及運(yùn)動(dòng)、有無(wú)局部運(yùn)動(dòng)異常(心肌缺血、梗死)或膨出(室壁瘤);4)觀察二尖瓣與三尖瓣數(shù)目、形態(tài)及開(kāi)閉情況,測(cè)量?jī)筛羧~根部附著位置間距離(Ebstein ) ;5)觀察心腔內(nèi)有無(wú)腫物(附壁血栓或心內(nèi)腫

21、瘤)及其附著位置、大小、活動(dòng)情況;6)觀察三條(左上、左下、右上)肺靜脈是否均回入左房(肺靜脈異位引流);7)左心房?jī)?nèi)有無(wú)隔膜(三房心);8)評(píng)價(jià)心功能。,心尖四腔切面,(3)正常測(cè)值①左室長(zhǎng)徑:舒張末期為7.0~8.4cm,收縮末期為5.0~6.4cm 。②左房?jī)?nèi)徑:上下徑為3.1~5.3cm (收縮末期,二尖瓣環(huán)聯(lián)線中點(diǎn)至左房頂部),橫徑為3.0~5.3cm。(收縮末期,心房中部)。③右室內(nèi)徑:橫徑為2.5~4.

22、2cm(舒張末期徑),長(zhǎng)徑為5.8~7.8cm(舒張末期徑)。④右房?jī)?nèi)徑為3.4~4,9cm , 橫徑為2.9~4,5cm (心尖四腔切面,收縮末期上下徑)。,心尖四腔切面Schematic diagram of the apical four-chamber view,showing the relationships of the left and right ventricles (LV and RV) and atria

23、(LA and RA). In the left ventricle, the papillary muscle, chordae, and anterior and posterior mitral leaflets (AMVL, PMVL) are seen. The descending aorta (DA) is seen in partial cross section lateral to the left atriu

24、m, while the right superior pulmonary vein(RSPV) drains into the left atrium adjacent to the interatrial septum. In the right ventricle, the moderator band (M and the anterior and septal tricuspid valve leaflets (AT

25、VL and STVL) are seen. Note the ventriculoatrial septum (VAS) separating the left ventricle from the right atrium in association with the normal, slightly more apical position of the tricuspid compared with the mitra

26、l valve annulus.Two-dimensional echo images in an apical four-chamber view at end-diastole (above) and end-systole (below).,心尖四腔切面,心尖四腔切面Subcostal view showing all four cardiac chambers,,,7.心尖兩腔切面,8.主動(dòng)脈弓長(zhǎng)軸切面,Schema

27、tic and 2D echo images of the aorta in a long-axis view from the suprasternal notch window. The ascending aortic (Ao) arch and descending thoracic aorta are seen with the origins of the left carotid and subclavian ar

28、teries. The right pulmonary artery (RPA) lies immediately inferior to the arch.,附:心超常見(jiàn)縮寫(xiě)表 1,Abbreviation Definition2-D Two dimensional imaging3-D Three dimensional imagingA-Mode Amplitude modeA Atrial diastolic

29、 velocity peakA Area (seen in mathematical formulas)APEX 2C Apical two chamber viewAPEX 3C Apical three chamber view (also known as Apical Long axis)APEX 4C Apical four chamber viewAPEX 5C Apical five cha

30、mber viewAcT Acceleration timeAF Atrial fibrillationAMVL Anterior mitral valve leafletAnt Anterior,Ao AortaAI Aortic insufficiencyAS Aortic stenosisAsc AscendingASD Atrial septal defectASH Asymmetrical

31、septal hypertrophyATVL Anterior tricuspid valve leafletAV Aortic valveAVA Aortic valve areaAVR Aortic valve replacementBAV Balloon aortic valvuloplastyBP Blood pressureBSA Body surface areac propagation s

32、peed of sound in tissue,附:心超常見(jiàn)縮寫(xiě)表2,dB DecibeldP/dt Rate of change in pressure over timeE EnergyECG ElectrocardiogramED End-diastoleEDD End-diastolic dimensionEDV End-diastolic volumeEF Ejection fractionep

33、i epicardiumEPSS E-point of septal separationES End-systoleESD End-systolic dimensionESPVR End-systolic pressure-volume relationshipESV End-systolic volume,CAD Coronary artery diseasecath Cardiac catheterizat

34、ionCBV Catheter balloon valvuloplastyCh ChordaeCm Centimetercm/s Centimeter per secondCO Cardiac outputCont eq Continuity equationcos CosineCS Coronary sinusCSA Cross sectional areaCx circumflex coro

35、nary arteryD DiameterDA Descending aorta,附:心超常見(jiàn)縮寫(xiě)表3,ETT Exercise treadmill testΔ? Frequency shift? FrequencyFL False lumenFn near zoneFo resonance frequency (operating frequency)Fs scattered frequencyFS

36、V forward stroke volumeFt transmitted frequencyFx functionHCM hypertrophic cardiomyopathyHPRF High pulse repetition frequencyHR Heart rateHV Hepatic veinI IntensityIAS Interatrial septum,inf inferiorIV

37、intravenousIVC Inferior vena cavaIVCT Isovolumic contraction timeIVRT Isovolumic relaxation timekHz KilohertzL LengthLA Left atriumLAA Left atrial appendageLAD Left anterior descending coronary arteryLA

38、E Left atrial enlargementLAO Left anterior obliquelat LateralLAXX Parasternal long axisLCC Left coronary cuspLLD Left lateral decubitus,附:心超常見(jiàn)縮寫(xiě)表4,MS Mitral stenosisMV Mitral valve MVA Mitral valve areaMV

39、I Mitral valve insufficiencyMyx myxomaNCC Noncoronary cuspΔP change in pressureP PressurePA Pulmonary arterypAn PseudoaneurysmPAP Pulmonary artery pressurePD Pulsed DopplerPDA Patent ductus arteriosis

40、PE Pericardial effusionPEP Pre-ejection periodPISA Proximal isovelocity surface area,LMCA Left main coronary arteryLPA Left pulmonary arteryLSPV left superior pulmonary veinLV Left ventricleLVEDD Left ventric

41、ular end diastolic dimensionLV-EDP Left ventricular end diastolic pressureLVESD Left ventricular end systolic dimensionLVH Left ventricular hypertrophyLVI Left ventricular inflowLVO Left ventricular outflowLV

42、OT Left ventricular outflow tractM-mode Motion modeMAC Mitral annular calcificationMB Moderator bandMI Myocardial infarction,附:心超常見(jiàn)縮寫(xiě)表5,PM papillary musclePMVL Posterior mitral valve leafletpost posteriorPI

43、 Pulmonary insufficiencyPRF Pulse repetition frequencyPRFR Peak rapid filling timePS Pulmonary stenosisPV Pulmonic valvePTCA Percutaneous transluminal coronary angioplastyPV Pulmonary veinPVC Premature vent

44、ricular contractionPWT Posterior wall thicknessQ Volume flow rateQp Pulmonic volume flow rateQs Systemic volume flow rateRA Right atrium,RAE Right atrial enlargementRAO Right anterior obliqueRAP Right atria

45、l pressureRCA Right coronary arteryRCC Right coronary cuspRF Regurgitant fractionRJ Regurgitant jetROA Regurgitant orifice areaRPA Right pulmonary arteryRSPV Right superior pulmonary veinRSV Regurgitant s

46、troke volumeRV Right ventricleRVE Right ventricular enlargementRVH Right ventricular hypertrophyRVI Right ventricular inflowRVO Right ventricular outflow,附:心超常見(jiàn)縮寫(xiě)表6,TGA Transposition of the great arteriesTGC

47、Time gain compensationTI Tricuspid valve insufficiencyTL True lumenTOF Tetralogy of FallotTPV Time to peak velocityTS Tricuspid stenosisTSV Total stroke volumeTTE Transthoracic echocardiographyTV Tricuspi

48、d valveV VelocityV VolumeVeg Vegetation,RVOT Right ventricular outflow tractSAM Systolic anterior motionSAXX Parasternal short axisSC SubcostalSSN Suprasternal notchST Septal thicknessSTJ Sinotubular ju

溫馨提示

  • 1. 本站所有資源如無(wú)特殊說(shuō)明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶(hù)所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁(yè)內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒(méi)有圖紙預(yù)覽就沒(méi)有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 眾賞文庫(kù)僅提供信息存儲(chǔ)空間,僅對(duì)用戶(hù)上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對(duì)用戶(hù)上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請(qǐng)與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶(hù)因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。

評(píng)論

0/150

提交評(píng)論