Atrioventricular Node
A group of cells in the heart located between the upper two chambers (the atria) and the lower two chambers (the ventricles) that regulates the electrical current that passes through it to the ventricles
Cardiac
Atrioventricular Reciprocating Tachycardia [AVRT]
Re-entry tachycardia arising from the presence of an abnormal electrical connection between atria and ventricles situated outside the atrioventricular node
Atrioventricular Septal Defect
A defect (hole) involving both the atrial and ventricular septums. The mitral and tricuspid valves are also abnormal.