Atrioventricular

Atrioventricular (having to do with an atrium and ventricle) can refer to:
 * Left atrioventricular opening
 * Atrioventricular (band)
 * Atrioventricular fistula
 * Atrioventricular node
 * The term "Atrioventricular valves" is used to describe the mitral valve and tricuspid valve.