A+ is developed and maintained by leading IT experts. Content for the exams stems from a combination of industry-wide survey feedback and contributions from our team of subject matter experts. Learn more about the people behind the CompTIA A+ exam development and the CompTIA A+ Advisory Committee.
Coarctation of the aorta, or aortic narrowing (abbreviated as CoA), is a congenital condition whereby the aorta narrows in the area where the ductus arteriosus (ligamentum arteriosum after regression) inserts.: Coarctation (narrowing) of the aorta. 1:Inferior vena cava, 2:Right pulmonary veins, 3: Right pulmonary artery, 4:Superior vena cava, 5:Left pulmonary artery, 6:Left pulmonary veins, 7:Right ventricle, 8:Left ventricle, 9:Pulmonary artery, 10:Aorta.
This same disease process is behind heart attacks and the majority of strokes. Plaques that form in the wall of the aorta can weaken the artery wall, making it more susceptible to tearing. Trauma to the chest. Blunt trauma to the chest, such as from a car accident, can cause aortic dissection. Coarctation of the aorta.