TY - RPRT TI - Immediate improvement in left ventricular function after cardioversion of atrial flutter. AU - J N Karnegis AU - J J Matoole AU - V G Bjorling PY - 1989 DO - 10.1016/0002-9149(89)90807-2 UR - https://pubmed.ncbi.nlm.nih.gov/2816737/ ID - 2816737 ER -