@article{Ryozo Nagai2013CJ-12-1618, title={Urgent Management of Rapid Heart Rate in Patients With Atrial Fibrillation/Flutter and Left Ventricular Dysfunction}, author={Ryozo Nagai and Koichiro Kinugawa and Hiroshi Inoue and Hirotsugu Atarashi and Yoshihiko Seino and Takeshi Yamashita and Wataru Shimizu and Takeshi Aiba and Masafumi Kitakaze and Atsuhiro Sakamoto and Takanori Ikeda and Yasushi Imai and Takashi Daimon and Katsuhiro Fujino and Tetsuji Nagano and Tatsuaki Okamura and Masatsugu Hori and the J-Land Investigators}, journal={Circulation Journal}, volume={77}, number={4}, pages={908-916}, year={2013}, doi={10.1253/circj.CJ-12-1618} }