Detecting drowning

[maelstrommage]

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I have an idea for an invention but I need some info. For simplicity, let us say you are in a room full of medical equipment which is monitoring a person in another room which you cannot see. If this person started to drown, which piece of equipment would detect a problem first (blood ox, blood pressure, heart rate, etc)? Secondly, which piece of equipment--which would detect a problem, but not necessarily detect it first--would be the least expensive?

Also, any links to webpages, titles of books or journal articles which would pertain to this subject would be appreciated

Thank you.

Mike

 

[debvz]

Secondly, which piece of equipment--which would detect a problem, but not necessarily detect it first--would be the least inexpensive?

that would be the diamond-studded, gold-encrusted piece.....

 

[Winged Scapula]

Closed due to multiple postings in multiple (and even the same) forums as per SDN TOS.