Fig. 2From: McGRATH MAC video laryngoscope assistance during transesophageal echocardiography may reduce the risk of complications: a manikin studyThe angle θ corresponds to the insertion angle of the TEE probe. The angle θ is defined as that between the TEE probe and the lip-nose tip line (yellow line) when the probe passes through the lips. TEE, transthoracic echocardiographyBack to article page