Dr. Murat ÇELİKTEPEFlight Surgeon

Medical Doctor, specialist of Family Medicine

EFFECTS OF ALTITUDE

1) Climb and desent2) Hypoxia and hyperventilation3) Extreme pressure changes and Cabin decompression

While traveling by car, bus or plane, have you ever felt something different ?

Climb Descent

Climbdescent

increasedecrease

Gas Laws BOYLE’s Law 34.000

ft.

18.000 ft.

Sea level

190 mmHg

285 mmHg

380 mmHg

570 mmHg

760 mmHg

34.000 ft.

18.000 ft.

Sea level

Sea level 760 mmHg

Sea level 760 mmHg

18.000 ft. 380 mmHg

BOYLE’s Law

Sea level 760 mmHg

18.000 ft. 380 mmHg

34.000 ft. 190 mmHg

If the pressure on a gas decrease

It’s volume increase

And vice versa

If the pressure on a gas increase

It’s volume decrease

BOYLE’s Law

P VP V

190 mmHg

285 mmHg

380 mmHg

570 mmHg

760 mmHg

34.000 ft.

18.000 ft.

Sea level

BOYLE’s Law

Digestive system Lung

Middle ear Sinuses

Sinusitis

Ear

Where is the eustachian tube ?

Middle ear

PreventionDo not fly with any of following

cold influenza hayfever

All upper respiratory tract infections