What happens when someone faints on plane?

“It's a vasovagal episode,” said the ER doc. “You'll be fine.” He explained several factors contributing to fainting: insufficient oxygen (hypoxia) due to cabin pressure, immobility, a drop in blood pressure, and possible dehydration.



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If your blood pressure is higher than 120 over 80, seek medical advice before you travel.

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Here are some other tips to keep from fainting on planes:
  1. Stay well hydrated before and during the flight. ...
  2. Sit in an aisle seat whenever possible. ...
  3. Do seated exercises to keep the blood in your lower limbs circulating. ...
  4. Dress lightly in layers. ...
  5. At the first sign of feeling ill, hit the call button and get a Coke.


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Fainting is most likely to occur in people who have low blood pressure, or who respond to stress with major reductions in blood pressure. As we know, the fight-or-flight response increases heart rate and blood pressure. This is why fainting is extremely rare during fight-or-flight.

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In a separate filing cited by the Journal, attorneys for the families wrote that the 157 people onboard undeniably suffered horrific emotional distress, pain and suffering, and physical impact/injury while they endured extreme G-forces, braced for impact, knew the airplane was malfunctioning, and ultimately plummeted ...

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Infectious Diseases
An airline can deny boarding of any passenger who looks unwell, especially if they suspect the passenger might be infectious (infect other passengers).

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Sitting down in a tight seat for 13+ hours can sometimes lead to circulation issues, including swelling in the feet. According to The Healthy, the chance of your body forming blood clots increases when blood isn't moving correctly, such as when onboard a long-haul flight.

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And eventually you lose consciousness,” said Anthony Brickhouse, a former member of the National Transportation Safety Board who is now an associate professor at Embry-Riddle Aeronautical University and director of its Aerospace Forensic Lab in Daytona Beach, Florida.

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Is it at all even possible for it to just drop? According to my company's training materials, an FAA study in the 1960s of depressurization events in business, airline, and military jet transport aircraft determined that the odds of experiencing cabin depressurization were one in 54300 flight hours.

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Whilst people with arrhythmia are generally safe to fly, it is crucial to discuss your travel plans with your GP before you book. Those living with heart conditions may have an increased risk of developing deep vein thrombosis (DVT) on a flight, so taking steps to reduce this risk could be critical.

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Sit away from the engine.
Seats in the front rows are farthest away from the engine and therefore better for your hearing. However, if you have to sit farther back in the plane, choose an aisle seat as they are several decibels quieter than window seats.

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While the effects typically clear up in a few hours after returning to land, they can last for as long as two days. Symptoms can also return, or increase in intensity, if the condition is triggered. For some people, it does not go away without medical intervention.

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