FA is oversimplifying here. AV node is supplied by the AV nodal branch, which can be from RCA or LCA depending on R/L dominance. See AMBOSS Heart<!-- --> - <!-- -->Knowledge<!-- --> @ AMBOSS.
FA is oversimplifying here. AV node is supplied by the AV nodal branch, which can be from RCA or LCA depending on R/L dominance. See AMBOSS Heart<!-- --> - <!-- -->Knowledge<!-- --> @ AMBOSS.