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Thread: Mk VI fatality-Canada

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    Mk VI fatality-Canada

    There was a death in my area this weekend involving a Mk VI rebreather.
    The simple outline of the accident is here.

    http://www.underwatercouncil.com/dow...nt_reports.pdf

    Be Carefull out there.

    Cam

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    Re: Mk VI fatality-Canada

    Thanks for that...seems to have been a CO2 issue..so something not right with the scrubber..lets see what further investigation brings.

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    Mk VI fatality-Canada

    Quote Originally Posted by Rod Abbotson  View Original Post
    Thanks for that...seems to have been a CO2 issue..so something not right with the scrubber..lets see what further investigation brings.
    The above quote report said the man died of a heart attack due to enlarged heart, how is that a CO2 issue?

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    Mk VI fatality-Canada

    Quote Originally Posted by scubamoody  View Original Post
    The above quote report said the man died of a heart attack due to enlarged heart, how is that a CO2 issue?
    Nope the incident due to heart attack/enlarged heard was the one on April 23rd. The MKVI incident was June 30th and no reason of death is given yet...


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    Last edited by CFU; 7th July 2013 at 17:04.

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    Re: Mk VI fatality-Canada

    There are two different incidents in the report. The one from April says heart attack from an enlarged heart. There is no cause of death given for the incident last weekend. Could be CO2? Could be a medical issue? We need to wait for more information.

    Doug

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    Re: Mk VI fatality-Canada

    We have a factual witness report on this one. A final report as usual will probably never be disclosed as usual in the intresst of protection of the "victim or the equipment brand envolved".

    One can although make our perssonal judgements and think about what hazards are present and what risks can manifest with the signals writen in the report;
    • Victim signaled that he was felling narced like "nitrogen narcosis"
    • No bubbles (mens NO Bail Out for sure)
    • Drop his torch but not try to get it
    • Not possible to say he was breathing
    • DSV out of mouth
    • Victim became unresponsive
    • Victim apearing uncounscious
    • Victim turned to his side
    • Onboard O2 sensor appeared to be on
    • NO ERRORS, NO FLASHING, NO RED LIGHTS (no alarms)
    What other diving condition (besides N2 and O2 TOX problems) causes the a diver to;

    do a repetitive activity, such as swimming, without awareness of this. (droping torch and not trying to get it)
    fell a light headedness, muscular twitching, (narked like syntoms)
    unconsciousness.
    • death.
    IMHO - http://www.divingmedicine.info/Ch%2022%20SM10c.pdf
    Rgds

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    Re: Mk VI fatality-Canada

    Quote Originally Posted by psmedo  View Original Post
    We have a factual witness report on this one. A final report as usual will probably never be disclosed as usual in the intresst of protection of the "victim or the equipment brand envolved".

    One can although make our perssonal judgements and think about what hazards are present and what risks can manifest with the signals writen in the report;
    • Victim signaled that he was felling narced like "nitrogen narcosis"
    • No bubbles (mens NO Bail Out for sure)
    • Drop his torch but not try to get it
    • Not possible to say he was breathing
    • DSV out of mouth
    • Victim became unresponsive
    • Victim apearing uncounscious
    • Victim turned to his side
    • Onboard O2 sensor appeared to be on
    • NO ERRORS, NO FLASHING, NO RED LIGHTS (no alarms)
    What other diving condition (besides N2 and O2 TOX problems) causes the a diver to;

    do a repetitive activity, such as swimming, without awareness of this. (droping torch and not trying to get it)
    fell a light headedness, muscular twitching, (narked like syntoms)
    unconsciousness.
    • death.
    IMHO - http://www.divingmedicine.info/Ch%2022%20SM10c.pdf
    Rgds
    How do you know he felt light headed and suffered muscular twitching?

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    Re: Mk VI fatality-Canada

    Quote Originally Posted by cameron  View Original Post
    There was a death in my area this weekend involving a Mk VI rebreather.
    The simple outline of the accident is here.

    http://www.underwatercouncil.com/dow...nt_reports.pdf

    Be Carefull out there.

    Cam
    And people thought the CCR Diving fatalities paper was bad???!!!

    This one concludes C02 and even makes recommendations without giving any information on any investigation and how those conclusions were reached.

    Some thing are odd about this accident:

    - What is the signal for 'narced' and was it a buddy signal used within the victims group?

    - How often do divers abort a dive because they feel narced?

    - The diver didnt bail to OC but aborted the dive and went up the line?

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    Re: Mk VI fatality-Canada

    Quote Originally Posted by ChrisBrown  View Original Post
    And people thought the CCR Diving fatalities paper was bad???!!!

    This one concludes C02 and even makes recommendations without giving any information on any investigation and how those conclusions were reached.

    Some thing are odd about this accident:

    - What is the signal for 'narced' and was it a buddy signal used within the victims group?

    - How often do divers abort a dive because they feel narced?

    - The diver didnt bail to OC but aborted the dive and went up the line?
    Chris;

    Considering all the options available, maybe a better idea than questioning what an "Accepted Answer" means or could be, would be to mark this questions as "Abandoned Questions" thus prevent them from counting against the answered question pile we have on this subject so far, (?) and without having to actually accept something "possibly wrong" but unharmful as practical hypoteses versus the long-gone hit-and-run endless doubts and non sense "medical cause" or "pilot error" without evidence support as well don´t you think ?


    Rgds

  10. #10
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    Re: Mk VI fatality-Canada

    I have had a CO2 incident once in which I just felt wierd/light headed and could have easily have described it as Narked. Only issue was that I was at 30ft depth at the time.

    John

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