[Arlis]

They will die of hypoxia - lack of oxygen. NOT painful.

You get sleepy, foggy, go to sleep.

Then die.

[Bonemaker]

Heart failure from unrelenting panic attacks?

[Bonemaker]

Reminds me of Edgar Allen Poe’s “Cask of Amantillado”.

[1Old Pro]

They will die of hypoxia - lack of oxygen. NOT painful. You get sleepy, foggy, go to sleep. Then die.

Yep, like Payne Stewart and others in planes.