Ch other by the ventricular septum. Valves (e. G. , mitral and tricuspid) connect the atria (left and right) to their respective ventricles. The valves allow for blood to be pumped through the chambers. Blood travels from the right ventricle through the pulmonary artery to the lungs where it receives oxygen. The blood returns to the heart through pulmonary veins and enters the left ventricle. The left ventricle sends the now oxygen-filled blood into the main artery of the body (aorta). The aorta sends the blood throughout the body. The parts of the heart described above are formed from an embryonic structure called the endocardial cushions. In individuals with asvd there is some combination of malformation of these parts of the heart. They may include a hole in the atrial septum, a hole in the ventricular septum, and/or abnormalities of the mitral and triscupid valves. Asvd may be classified as one of three forms: an incomplete (or partial) asvd (atrial septal defect primum); a transitional form (atrial septal defect and small ventricular septal defect); or a more severe or complete form (large atrial and ventricular defects). The symptoms of asvd vary greatly and depend on the severity of the malformations (e. G. , valve leakage between ventricles and ventricular size). About half the cases of asvd occur in children with down syndrome. Resources american heart association 8200 brookriver drive suite n-100 dallas, tx 75247 tel: (214)784-7212 fax: (214)784-1307 tel: (800)242-8721 email: review. Personal. Info@heart. Org internet: american lung association 1301 pennsylvania ave nw suite 800 washington, dc 20004 usa tel: (202)785-3355 fax: (202)452-1805 tel: (800)586-4872 email: info@lungusa. Org internet: nih/national heart, lung and blood institute p. viagra without a doctor prescription buy cheap viagra buy generic viagra buy viagra viagra online forsale cheap viagra online viagra for sale viagra online buy generic viagra O. Box 30105 bethesda, md 20892-0105 tel: (301)592-8573 fax: (301)251-1223 email: nhlbiinfo@rover. Nhlbi. Nih. Gov internet: kids with heart ~ national association for children's heart disorders, inc. P. O box 12504 green bay, wi 54307-2504 tel: (920)498-0058 fax: (920)498-0058 tel: (800)538-5390 email: michelle@kidswithheart. Org internet: little hearts, inc. P. O. Box 171 110 court street, suite 3a cromwell, ct 06416 usa tel: (860)635-0006 fax: (860)635-0006 tel: (866)435-4673 email: info@littlehearts. Org internet: congenital heart information network (c. H. I. N. ) hundred and one n washington ave, suite 1a m.

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