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AED and being Wet


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9 replies to this topic

#1 Bubble2Bubble

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Posted 14 February 2006 - 06:58 PM

At the last Houston HH Stingray brought up an interesting Question?

If a diver is brought on to the dive boat and they are unconscious and not breathing
it would be safe to say that starting CPR would be the next logical thing to do.

What about using a AED on the diver.

could you imagine a dive boat with everyone dripping wet and the deck soaked from the water of
the dripping divers and then using a AED? is it possible that everyone one the boat could get and electrical charge? would it be just enough to dry the chest of the diver between the two paddles.

Finley and I didn't know the answer and Platypus said maybe gather all the dry towels and put under the victim first ?? sounds good.

Great Question Stingray!

Anybody know the right answer?


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#2 Capn Jack

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Posted 14 February 2006 - 08:30 PM

The instructors and DMs from my LDS just took our AED course at the local HS Natatorium - the literature said to keep the victim 18" from the water. We're not talking about lighting off "Old Sparky" down at Huntsville. The primary danger would be the device couldn't analyze correctly, or that the shock would be ineffective with the grounding to the boat. Dry them down, and get them to part of the deck that's as dry as possible.


Here is another reference -

Defibrillator Training

An excerpt:

It is safe to use AEDs in all weather conditions, including rain and snow. In wet weather, wipe the chest dry before placing electrodes. If the victim is lying in water, move him or her to a relatively dry area before attaching the AED.
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#3 nydiver

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Posted 14 February 2006 - 09:26 PM

Capn Jack would be correct in a AED, the machine will get confused by the wet conditions and probably not deliver the shock for safety.

But let us review dive emergency 101, if the diver is unconcious and not breathing where do we go? ABC's, airway, breathing, circulation. Check the airway for obstruction, check breathing (in this case the diver fails), circulation? do we get a pulse? if so Rescue Breathing, if not CPR, if the AED is available start CPR while it is being setup and applied, stop CPR only to let the AED calibrate and deliver the shock.

#4 intotheblue

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Posted 14 February 2006 - 09:52 PM

Capn Jack would be correct in a AED, the machine will get confused by the wet conditions and probably not deliver the shock for safety.

But let us review dive emergency 101, if the diver is unconcious and not breathing where do we go? ABC's, airway, breathing, circulation. Check the airway for obstruction, check breathing (in this case the diver fails), circulation? do we get a pulse? if so Rescue Breathing, if not CPR, if the AED is available start CPR while it is being setup and applied, stop CPR only to let the AED calibrate and deliver the shock.



While the AED may not be effective in those conditions, since the main current will go essentially "paddle to paddle", I think if the patient is reasonably dry and everyone is "clear"... there's little risk to "innercent stand-byers". I'd make the area as dry as possible and move the person onto some "non-conductive" surface... get clear, and let'er rip! Oh... and pray!

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#5 BeachBunny

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Posted 14 February 2006 - 11:01 PM

There is not a significant risk to the bystanders. The "shock" is absorbed by the patient so unless you are touching the patient you are all good. Even if you are touching the patient you are not going to die, just be knocked on your hiney! Like the other guys said being wet can disrupt the AED's effectiveness.
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#6 Walter

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Posted 15 February 2006 - 05:50 AM

One person starts CPR immediately while another starts breaking out the AED. Do not delay starting CPR because there is an AED on board. You interrupt CPR to use the AED.
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#7 Latitude Adjustment

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Posted 15 February 2006 - 06:55 AM

I always wondered about that after seeing "The Abyss" when they used the AED on her lying on the wet dive deck.
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#8 BeachBunny

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Posted 15 February 2006 - 09:49 AM

Starting CPR first should go without saying. An AED will only work in a few circumstances. If the heart has stopped, the AED will not discharge vs. CPR you can at least keep blood circulating until help arrives. The beauty of it is as anyone who has ever been trained to use one knows, it is pretty much fool proof. It tells you if you have a "shockable rhythm", counts down, and even reminds you not to touch the patient! How cool is that!! The AED then reanalyzes and will inform you if the patient has converted to a normal heart rhythm or if another "shock" is recommended. My personal belief is that everyone regardless of the type of job they have should be certified in basic CPR. You never know when you may need it.
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#9 Capn Jack

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Posted 15 February 2006 - 04:32 PM

as anyone who has ever been trained to use one knows, it is pretty much fool proof

Can we hear an Amen?

If you see me go down, and you have no training, break open one of these boxes and strap it on me. I'll take my chances on you or the box screwing it up. They are just too good not to give it a try.
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#10 finley

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Posted 15 February 2006 - 05:04 PM

There is not a significant risk to the bystanders. The "shock" is absorbed by the patient so unless you are touching the patient you are all good. Even if you are touching the patient you are not going to die, just be knocked on your hiney! Like the other guys said being wet can disrupt the AED's effectiveness.



yeah...the picture directions even show you to clear others away...
who's leading this parade anyway?




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