<prompt> All are true regarding Endotracheal intubation exceptSaturation not more than 90 after 2 minCO2 in expired airET inseed under direct vision of glottisBilateral chest movement  <response>: Endotracheal Tube Intubation:- - When the expiratory gas passes through the tube hot humidified leaves vapour on the tube tube has gone into trachea- Tube has Radiopaque blue line on it which can be seen by X-ray- Earlier 90 saturation,if it continuously stas dropping suspects that tube is not in the Respiratory tract- Best way for confirmation - Capnography 