20xx年醫(yī)學(xué)專題—胎兒的循環(huán)系統(tǒng)(英文版)-預(yù)覽頁(yè)
【正文】 aly Coarctation of the aorta,第二十頁(yè)，共七十四頁(yè)。,VSD,4 Chamber LVOT,第二十三頁(yè)，共七十四頁(yè)。,Tetralogy of Fallot,VSD, infundibular pulmonic stenosis, overriding aorta, RV hypertrophy 510% of CHD [1] Frequently not visualized on four chamber view (aside from VSD),第二十七頁(yè)，共七十四頁(yè)。,Tetralogy of Fallot video,Courtesy of Dr Alfred Albahamed,click image to play video,第三十一頁(yè)，共七十四頁(yè)。 cause defect in both the atrial and ventricular septae (AV canal),第三十三頁(yè)，共七十四頁(yè)。,Endocardial Cushion Defect,atria,vents,第三十七頁(yè)，共七十四頁(yè)。 but vessels malform (cyanosis) Ltype (“congenitally corrected”) = heart tube loops to the left… ventricular inversion, but normal vessel orientation (no cyanosis),Children’s Virtual Hospital,第四十頁(yè)，共七十四頁(yè)。,Transposition Great Vessels,Courtesy of Dr Mark Skalansky,第四十三頁(yè)，共七十四頁(yè)。,Hypoplastic Left Heart,Causes hypoperfusion of coronary arts。 RV wall thick。,Hypoplastic Right Heart,第五十頁(yè)，共七十四頁(yè)。,Double Outlet Right Ventricle,Associated with VSD, ascending aortic stenosis, pulmonic stenosis, AV abnormalities Complex embryologic changes involving bulbus cordis (RV), conus cordis (septum), and truncus arteriosus (great vessels),第五十三頁(yè)，共七十四頁(yè)。,Truncus Arteriosus,Other associated pathology: VSD, abnormal trucal valve, ASD… 20% overall mortality (surg 6mo to avoid pulmonary HTN) Differentiate from tetralogy of Fallot = no RVOT。,Truncus Arteriosus,Four Types (Van Praagh Classification) Main PA arises from truncal root and divides Both PAs arise from the truncal root separately Left PA supplied by collaterals from aortic arch Aortic arch interrupted。 RA grossly dilated because TV incompetent,第六十一頁(yè)，共七十四頁(yè)。,Ebstein Anomaly,4 Chamber View,第六十三頁(yè)，共七十四頁(yè)。 4th arch forms transverse aorta,第六十六頁(yè)，共七十四頁(yè)。,Coarctation of Aorta video,click image to play video,第七十頁(yè)，共七十四頁(yè)。,References,Fetal Echocardiography: An Atlas, Kathryn L Reed, Caroline F anderson, Lewis Shender, 1988 Alan R Liss, Inc, NY, NY. Color Atlas of Fetal Cardiology, Lindsey Allan, Gurleen Sharland, Andrew Cook, 1994 Mosby – Wolfe Publishing. Significance of Fetal Intracardiac Echogenic Foci in Relation to Trisomy 21: A prospective Sonographic Study of High – Risk Pregnant Women, Manning JE, Ragavendra N, Sayre J, LaiferNarin SL, Melany ML, Grant EG, Crandall BF, AJR 1998。ir243。Tetralogy of Fallot vid
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