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  2. 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.

  3. Frenzel maneuver - Wikipedia

    en.wikipedia.org/wiki/Frenzel_maneuver

    The Frenzel Maneuver is named after Hermann Frenzel (German ear, nose and throat physician and Luftwaffe commander). The maneuver was developed in 1938 and originally was taught to dive bomber pilots during World War II. The maneuver is used to equalize pressure in the middle ear.

  4. Ascending and descending (diving) - Wikipedia

    en.wikipedia.org/wiki/Ascending_and_descending...

    As they leave the surface, the divers will start equalising the pressure in their middle ears to prevent barotrauma, and will add air to their dry-suits, if using them, to prevent squeeze. Air may be added to the BCD as needed to control rate of descent. [2] They may stop at a pre-arranged depth to do a final equipment check for air leaks.

  5. Why do my ears feel clogged? 5 Things you can do right now. - AOL

    www.aol.com/why-ears-feel-clogged-5-000000206.html

    For those with Eustachian tube dysfunction, their ear has a hard time equalizing the pressure. What to do. There are a few different ways to relieve sinus pressure. One of the most common methods ...

  6. 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. [1]

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    mail.aol.com

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  8. Which other presidents have pardoned relatives? Trump is on ...

    www.aol.com/other-presidents-pardoned-relatives...

    WASHINGTON − President Joe Biden’s pardon of his son Hunter Biden, who was convicted of federal gun charges and tax evasion, rocked the political world with Republican lawmakers and President ...

  9. List of diving hazards and precautions - Wikipedia

    en.wikipedia.org/wiki/List_of_diving_hazards_and...

    The pressure in the middle ear not equalizing with external (ambient) pressure, usually due to failure to clear the Eustachian tube. [31] Ears can be equalized early and often during the descent, before the stretching is painful. The diver can check if the ears will clear on the surface as a precondition for diving. [31]