Fig. 2From: Combined recurrent laryngeal nerve monitoring and one-lung ventilation using the EZ-Blocker and an electromyographic endotracheal tubeElectrical stimulation of the left RLN with a monopolar nerve stimulator probe during left upper lobe resection. The RLN is identified and encircled with a vascular loop. The left upper lobe pulmonary artery branches are ligatedBack to article page