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  2. Doctor Warns of the Dangerous Mistake You're Making ... - AOL

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    If the bleeding is so heavy that you’re soaking dish towels, and it won’t stop even with firm pressure on the soft parts of your nose or two rounds of decongestant nasal sprays with pressure ...

  3. Emergency oxygen system - Wikipedia

    en.wikipedia.org/wiki/Emergency_oxygen_system

    Most commercial aircraft that operate at high flight altitudes are pressurized at a maximum cabin altitude of approximately 8,000 feet. On most pressurized aircraft, if cabin pressurization is lost when the aircraft is flying at an altitude above 4,267 m (14,000 feet), compartments containing the oxygen masks will open automatically, either above or in front of the passenger and crew seats ...

  4. Cabin pressurization - Wikipedia

    en.wikipedia.org/wiki/Cabin_pressurization

    At least two engines provide compressed bleed air for all the plane's pneumatic systems, to provide full redundancy. Compressed air is also obtained from the auxiliary power unit (APU), if fitted, in the event of an emergency and for cabin air supply on the ground before the main engines are started. Most modern commercial aircraft today have ...

  5. Bloody ears and worried flyers: Travelers describe scary ...

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    A Delta Airlines flight had to return minutes after takeoff as passengers’ noses began bleeding when the cabin failed to pressurize as it climbed high into the air.. The Boeing 737-900 plane ...

  6. Doctors Say This Is the Best, Most Effective Way to ... - AOL

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    Nose bleed. But blowing your nose too hard can trigger nosebleeds, Dr. Kelley says. “Our noses have lots of blood vessels,” he explains. “If you blow too forcefully, you’ll set yourself up ...

  7. Aerosinusitis - Wikipedia

    en.wikipedia.org/wiki/Aerosinusitis

    In most cases of sinus barotrauma, localized pain to the frontal area is the predominant symptom. This is due to pain originating from the frontal sinus, it being above the brow bones. Less common is pain referred to the temporal, occipital, or retrobulbar region. Epistaxis or serosanguineous secretion from the nose may occur.

  8. Aviation safety - Wikipedia

    en.wikipedia.org/wiki/Aviation_safety

    An Air Malta crewman performing a pre-flight inspection of an Airbus A320.. Aviation safety is the study and practice of managing risks in aviation.This includes preventing aviation accidents and incidents through research, educating air travel personnel, passengers and the general public, as well as the design of aircraft and aviation infrastructure.

  9. These are the best masks to wear on airplanes, according to ...

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    A big one, given that masks are still required on airplanes and in airport terminals: ... A metal nose wire and elastic bands also help you get a perfectly snug fit. Speaking of ear loops, these ...

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