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Atrioventricular Septal Defect
A congenital heart malformation characterized by abnormalities in the anatomic structures that relate to the endocardial cushions. These abnormalities can include defects in the lower part of the atrial septum and the ventricular septum and lack of separation of the mitral and tricuspid valves. (NCI Thesaurus)
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An electrocardiographic finding of a regular supraventricular tachycardia which utilizes an atrioventricular bypass tract as its retrograde limb (orthodromic tachycardia) or as…
A small mass of specialized cardiac muscle fibers, located near the ostium of the coronary sinus and giving rise to the atrioventricular…
An electrocardiographic finding of a regular supraventricular tachycardia due to reentry within the AV node. It is characterized by P waves which…
An electrocardiographic finding in which the electrical activity of the atria and ventricles are independent of one another.
An electrocardiographic assessment of the transmission of electrical impulses between the atria and ventricles.
A bundle of specialized heart muscle fibers that conducts impulses from the atrioventricular node to the ventricles.
