Fetal-heart

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Normal anatomy

Ultrasound images of anomalies of the fetal heart:

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Normal four chamber view of the fetal heart:

Ultrasound image of normal fetal heart  Ultrasound image showing the foramen ovale.

Fetal echocardiography- normal 4 chamber view Echocardiography showing normal 4 chamber view of the fetal heart

4 chamber view of normal fetal heart showing normal view of the fetal heart

The above fetal echocardiography images show the normal fetal heart. Note the foramen ovale opening to the left atrium. LA= left atrium

RA= right atrium;  LV= Left ventricle; RV= Right ventricle.

Congenital anomalies of the fetal heart:

AVSD (atrioventricular septal defect):

Atrio-ventricular septal defect There is a ventricular septal defect involving the upper part of the septum.

A large atrial septal defect (ASD) is also seen in these ultrasound images.

large VSD <<Note the single large AV valve replacing the Mitral and Tricuspid valves

Color flow imaging of VSD <<Color flow ultrasound image shows flow across the ventricular septal defect (VSD).

AVSD is also known as endocardial cushion defect or AV canal defect. It is caused by poor or faulty development of the endocardial cushion. These fetuses usually have other associated cardiac anomalies. The above images reveal large defects in the atrial and ventricular septae with a single large Atrio-ventricular valve replacing the mitral and tricuspid valves. In fact the the ASD is so large, that it appears like a single large atrium. Images courtesy of Dr. Latha Natrajan, Bangalore, India.

Reference: http://www.centrus.com.br/DiplomaFMF/SeriesFMF/18-23-weeks/chapter-04/heart/heartfmf-complete.html (free article with video clips and images)... rated (by us) as excellent.

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Fetal pericardial mass:

mass in pericardial cavity of fetus

Sonography of this 36 weeks old fetus revealed a large echogenic mass in close relation to the exterior of the fetal left ventricle, within the pericardial cavity.. A small pericardial effusion is also present. These ultrasound images suggest a solid, non-calcific mass of the pericardium. Possibilities include rhabdomyoma, teratoma and hemangioma. Rhabdomyomas are the commonest pericardial tumours and account for almost 75 % of cardiac masses. Teratomas can be either cystic or solid. Image courtesy of Dr. Prathima Radhakrishnan, Bangalore, India.

Reference:

1) Pericardial Hemangioma Presenting as Thoracic Mass in utero (abstract)

DORV (Double Outlet Right Ventricle):

  This is a 4.2 MB video file in GIF format. It might take some time to download. The aorta and the pulmonary trunk are seen mostly arising from the right ventricle. This condition is difficult to distinguish from Fallot's tetralogy and Transposition of the great arteries (TGA). Video courtesy of Dr. Latha Natrajan, Bangalore, India.

Here is the link to the same video clip (DORV) in real media (you'll need "real player" to play this): Try www.real.com to get the free "real player".

http://www.mediamax.com/drjoea/Links/0E0B3BA31B (this is a short download at 45 KB).

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  This page was last edited on: Wednesday September 17, 2008 02:56 PM  

Copyright ©   2007- All rights reserved- www.ultrasound-images.com Dr. Joe Antony, MD,    265, Girinagar, Cochin- 20, India.

Contact: joe@ultrasound-images.com or drjoea (at) gmail.com