Politzer bag maneuver used to test:
Politzer bag maneuver used to test Eustachian tube Designed for those who can`t perform Valsalva test Politzer bag is connected to rubber tube- Tube is placed in one nostril and other is closed-Air is blown with pressure by pressing the bulb-Air enters nasopharynx - opens eustachian tube & enters middle ear- pops out TM
Eustachian tube
Larynx
Esophagus
Nasal cavity
Anatomy of Middle Ear