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gery to replace TV [1] 。 arrhythmia is frequent after correction (dilated RA),第六十二頁,共七十四頁。,Ebstein Anomaly,4 Chamber View,第六十三頁,共七十四頁。,Ebstein Anomaly,Courtesy of Dr Mark Skalansky,第六十四頁,共七十四頁。,Ebstein Anomaly,Courtesy of Dr Alfred Albafamed,click image to play video,第六十五頁,共七十四頁。,Coarctation of Aorta,1% CHD Recurrence risk = 2% (1 sib), 6% (2 sibs) When ductus closes, tissue at insertion on proximal desc aorta constricts (post ductal coarctation) 6th arch forms ductus arteriosus。 4th arch forms transverse aorta,第六十六頁,共七十四頁。,Coarctation of Aorta,Narrowing just distal to takeoff of left subclavian artery Hypoplasia of 4th arch Visualization of arch is insensitive Large RV and PA relative to LV and Aorta,第六十七頁,共七十四頁。,Coarctation of Aorta,Flow across TV / MV 2 / 1 (normal 1.8 / 1) Assoc w/ other cardiac defects = bicuspid aortic valve, VSD, ASD… 10% association with chromosomal anomalies (especially Turner’s),第六十八頁,共七十四頁。,Coarctation of Aorta,第六十九頁,共七十四頁。,Coarctation of Aorta video,click image to play video,第七十頁,共七十四頁。,References,Diagnostic Ultrasound of Fetal Anomalies: Text and Atlas, Nyberg DA, Mahony BS, Pretorius DH, 1990, Year Bood Medical Publisher, Inc. Sonography of the Normal Fetal Heart: A Practical Approach, Frates MC, AJR 1999。 173: 136370. Prenatal Diagnosis of Congenital Cardiac Anomalies: A Practical Approach Using Two Basic Views, Barboza JM, Dajani NK, Glenn LG, Angtuaco Tl, Radiographics 2002。 22: 11251138. Structural Fetal Abnormalities: The Total Picture, Rodger C Sanders et al, 2nd edition, 2002 Mosby, Inc.,第七十一頁,共七十四頁。,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。 170: 10834.,第七十二頁,共七十四頁。,THANK YOU !,第七十三頁,共七十四頁。,內容(n232。ir243。ng)總結,Fetal Cardiology。Maternal infection (rubella)。Pulmonic Valve (open)。Tetralogy of Fallot video。Coarctation of Aorta video。THANK YOU,第七十四頁,共七十四頁。,