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Atrial septal defect (ASD) is a congenital heart defect in which blood flows between the atria (upper chambers) of the heart.Some flow is a normal condition both pre-birth and immediately post-birth via the foramen ovale; however, when this does not naturally close after birth it is referred to as a patent (open) foramen ovale (PFO).
Atrial septal defect with left-to-right shunt. The left and right sides of the heart are named from a dorsal view, i.e., looking at the heart from the back or from the perspective of the person whose heart it is. There are four chambers in a heart: an atrium (upper) and a ventricle (lower) on both the left and right sides. [1]
An atrial septal defect is a congenital heart defect where the septum between the right and left atrium doesn’t close up all the way and remains open after birth. This causes oxygenated blood to go into pulmonary circulation. One complication from this condition is a paradoxical embolus which crosses from the right to the left side via the ASD.
Ventricular septal defect (VSD), atrial septal defect (ASD), and tetralogy of Fallot (ToF) are the most common congenital heart defects seen in the VACTERL association. [19] Less common defects in the association are persistent truncus arteriosus and transposition of the great arteries .
The ostium primum atrial septal defect is a defect in the atrial septum at the level of the tricuspid and mitral valves. This is sometimes known as an endocardial cushion defect because it often involves the endocardial cushion, which is the portion of the heart where the atrial septum meets the ventricular septum and the mitral valve meets the tricuspid valve.
Atrial septal defects (ASDs) are a kind of congenital heart abnormality in which a tiny opening exists between the two atria of the heart. [ 86 ] [ 12 ] The burden on the right side of the heart is increased as a result of these abnormalities, as is the blood flow to the lungs.
Heart septal defect refers to a congenital heart defect [1] of one of the septa of the heart. Atrial septal defect; Atrioventricular septal defect; Ventricular septal defect; Although aortopulmonary septal defects are defects of the aorticopulmonary septum, which is not technically part of the heart, they are sometimes grouped with the heart ...
Therefore, can be acute or chronic as follows: Aortic regurgitation. Acute aortic regurgitation In acute AR, as may be seen with acute perforation of the aortic valve due to endocarditis, there will be a sudden increase in the volume of blood in the left ventricle. The ventricle is unable to deal with the sudden change in volume. [29]
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