Drinking ventilation

Drinking water ventilation method is also called Politzer method. The patient took a sip of water. The doctor inserted the olive head at the front of the Bosch ball on the front nostril of one side of the subject, and then squeezed the finger with the other anterior nostril. Then the patient was asked to swallow the water. Eustachian tube function is normal, at this time the soft palate is lifted, the nasopharyngeal cavity is closed, and at the same time the eustachian tube is opened, the air pressed into the nasal cavity from the ball can escape into the tympanum, and the doctor can hear the eardrum vibration sound from the auscultation tube . This method is mostly used in pediatric and uncooperative adult patients.