Endotracheal intubation is a difficult anesthetic technique with high potential risks of complications. Therefore, the endotracheal intubation procedure must be performed by specialists at qualified medical facilities.

Nasal intubation is a technique of inserting a catheter into the patient's trachea through the nose with the purpose of ventilating and aspirating phlegm in the respiratory tract. This is a simple and easy technique to perform but extremely important. In case the patient needs emergency care, this technique needs to be performed quickly and promptly.