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chest tube suction question....

Discussion in 'Medical Students - DO' started by lightthelamp4, May 20, 2014.

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  1. lightthelamp4

    lightthelamp4 7+ Year Member

    Apr 29, 2007
    I feel like perhaps I am thinking to hard about this and not getting something very obvious but can any of you explain to me how the third chamber of a standard chest tube drainage system works? I know the first chamber collects air and fluid, the second chamber is the water seal with 2 cm h20 to allow air out but not back in, and I know the third chamber is the suction chamber....but I dont understand how it works....I know that the amount of suction applied is determined by the height of the column of water that you fill and that when you attach the system to wall suction the amount of wall suction you set does not matter because the water column determines it anyway; but I dont understand how/why this is?

    sorry if this question is silly

    thanks in adance
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  3. Winged Scapula

    Winged Scapula Cougariffic! Staff Member Chief Administrator Administrator Physician Faculty Lifetime Donor Classifieds Approved 15+ Year Member

    Apr 9, 2000
    hSDN Member
    Closing as crossposting is a violation of the terms of service. Users who wish to may respond to the thread in the surgery forum.

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