Five indications to support the need for intubation in the Pre-Hospital environment. Dr. Brandon Oyler has put together some good information related to the utilization of GCS as not being the only tool in determining if a patient requires advanced airway management. Key conditions such as Inability to maintain airway patency, Inability to protect the airway against aspiration, Failure to Ventilate, Failure to oxygenate, and Anticipated deteriorating course that will lead to respiratory failure.