https://www.vetnurse.co.uk/f/clinical-discussions/8163/rebreathing-bags What size bag do you use for different patient sizes? also does this depend on the different anaesthetic circuit used? en-USTelligent Community 10https://www.vetnurse.co.uk/thread/79643?ContentTypeID=1Fri, 23 Apr 2010 18:21:31 GMT1a0763ec-3885-442c-853e-6cef656dfec5:ab4ccee4-8bf1-4f39-9587-406f061a3be0emvn80<p>Hi,</p> <p>no it doesn&#39;t depend on the circuit and the bag should be around 3-5 x the patients tidal volume.</p> <p><img src="http://www.vetnurse.co.uk/emoticons/new/Happy_smiley.png" alt="Smile" /></p><div style="clear:both;"></div>https://www.vetnurse.co.uk/thread/79482?ContentTypeID=1Wed, 21 Apr 2010 21:00:55 GMT1a0763ec-3885-442c-853e-6cef656dfec5:c6d87f0c-fb5f-47b5-9e9c-287ab66ea371Nick Shackleton <p>will non-rebreathing bags I don&#39;t change the size of bag used.</p> <p>With the circle/re-breathing circuits I would use:</p> <p> 2litre &lt;30kg</p> <p>4litre&gt;30kg</p><div style="clear:both;"></div>