The inferior pyramidal space refers to an anatomical region of the heart where the interatrial groove, interventricular groove, and right and left atrioventricular grooves converge. It wedges toward the central fibrous body. It is surrounded by the coronary arteries, coronary sinus, atrioventricular valve attachments, interatrial septum, interventricular septum, coronary aortic sinuses, and the cardiac conduction system.
