Monday, October 14, 2013

Atrial Septal Defect

Atrial Septal reproach is a congenital lifetime dent that is also known as ASD. This congenital forsake is an abnormal fountain in the dividing wall surrounded by the atria (the rush filling domiciliates of the softheartedness), commonly referred to as a jam in the heart, there are also a a few(prenominal) different types of ASD. ASD is formed during fetal development, approx. a few weeks aft(prenominal) supposition and is present at birth. There is no b functionen urinate on why ASD happens. The following genes are associated with ASD; ASD1, ASD3, NKX2-5 and GATA4, In rough cases the decadedency to develop an ASD may be genetic. ASD accounts for 10% of all heart mistakes, making them the third most common. It affects 3,000 babies per course of instruction in the United States and is almost seen twice as a slap-up deal in girls than boys. The three different types of ASD are Ostium Secundum Defect, Ostium Primum Defect, and sinus Venosus. The diffe rences in the type of defects are classified by spot of the opening and size. Ostium secundum is the most common; ab surface seven out of both x babies are born with this type of ASD. The secundum defect is a hole in the middle of the atrial septum, which allows crease to electric current from the left chamber to the right chamber or the right chamber to the left chamber.
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This defect doesnt usually beg surgery, nine times out of 10 this type closes on its own. Ostium primum occurs in the lower part of the septum between the atrias. Ostium primum is associated with cleft mitral value (atrioventricular valve a bnormality) and conduction defects, occurrin! g in twain out of ten babies. This type of ASD does not close on its own and requires functional repair. Sinus venosus is the most rare of ASD victorious place in one out of every ten births. Sinus venosus occurs in the upper part of the septum near the overlord Vena Cava. This defect is usually associated with anomalous pulmonary venous return, where one or more veins carrying oxygenated blood from the lungs returns to the wrong chamber of the heart also...If you indispensability to get a full essay, monastic order it on our website: OrderCustomPaper.com

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