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Blind nasal probing method for endotracheal intubation
Release time:
2022-08-17 11:18
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Insert the tracheal tube into the trachea through the nasal cavity under non visible conditions.
(1) During intubation, spontaneous breathing must be maintained, and the direction of the catheter's advancement can be determined based on the strength of the exhaled airflow.
(2) Administer 1% lidocaine for nasal surface anesthesia and drip 3% ephedrine to constrict the blood vessels of the nasal mucosa, thereby increasing nasal volume and reducing bleeding.
(3) Select a tracheal tube of appropriate diameter and insert it into the nasal cavity with your right hand. During the intubation process, listen to the strength of the exhaled airflow while moving forward, and adjust the position of the patient's head with the left hand to find the location with the strongest exhaled airflow.
(4) Quickly advance the duct when the glottis is open. The resistance of the catheter entering the glottis decreases, and the exhaled airflow is obvious. Sometimes the patient has a cough reflex. When connected to the anesthesia machine, the breathing bag can be seen to expand and contract with the patient's breathing, indicating that the catheter is inserted into the trachea.
(5) If the exhaled airflow disappears after the catheter is advanced, it is a sign of insertion into the esophagus. The catheter should be withdrawn to the nasopharynx, and the head should be slightly tilted upwards to raise the tip of the catheter, which can be aligned with the glottis for insertion.
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