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2. Frenzel maneuver - Wikipedia

   en.wikipedia.org/wiki/Frenzel_maneuver

   Because there is nowhere else for the air to go, it enters the eustachian tubes and the middle ear, equalizing the pressure. [4] The Frenzel Maneuver is performed as follows: [2] [3] the way out of the nasal cavity is blocked, typically by pinching the nostrils or by a nose-clip;

3. Valsalva maneuver - Wikipedia

   en.wikipedia.org/wiki/Valsalva_maneuver

   Variations of the maneuver can be used either in medical examination as a test of cardiac function and autonomic nervous control of the heart, or to clear the ears and sinuses (that is, to equalize pressure between them) when ambient pressure changes, as in scuba diving, hyperbaric oxygen therapy, or air travel.

4. Ear clearing - Wikipedia

   en.wikipedia.org/wiki/Ear_clearing

   Diver clearing ears Section of the human ear, the Eustachian tube is shown in colour. Ear clearing, clearing the ears or equalization is any of various maneuvers to equalize the pressure in the middle ear with the outside pressure, by letting air enter along the Eustachian tubes, as this does not always happen automatically when the pressure in the middle ear is lower than the outside pressure.

5. Eustachian tube - Wikipedia

   en.wikipedia.org/wiki/Eustachian_tube

   In humans and other tetrapods, both the middle ear and the ear canal are normally filled with air. Unlike the air of the ear canal, however, the air of the middle ear is not in direct contact with the atmosphere outside the body; thus, a pressure difference can develop between the atmospheric pressure of the ear canal and the middle ear.

6. Doctors Say This Is How You Can Loosen and Clear Mucus From ...

   www.aol.com/doctors-loosen-clear-mucus-chest...

   Control your cough Coughing is a physiologic way to rid one of some of the congestion, says Amesh A. Adalja, M.D. , senior scholar at the Johns Hopkins Center for Health Security.

7. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!