“…The occurrence of knotting can be mitigated by employing established procedures and maneuvers designed to facilitate smooth insertion. These include ensuring adequate lubrication, selecting an appropriate tube size, ensuring proper insertion length, utilizing a wide-bore tube, cooling the tube, enhancing rigidity by inserting a Fogarty catheter through a suction port, displacing the larynx forward, applying lateral neck pressure, providing direct guidance with two fingers in the mouth, and employing Magill forceps under direct laryngoscopic visualization [ 11 ]. Determining the proper tube length involves measuring the distance from the nose to the pinna and from the pinna to the xiphoid process, then adding 5cm for accurate placement.…”