https://www.vetnurse.co.uk/f/clinical-discussions/2710/circle-systems I&#39;d just like to recap on something that was briefly covered in my anaesthesia lectures, and something I&#39;ve never used pre or post qualification. Circle systems - The anaesthesia for veterinary nurses book states 100ml/kg min for first 10-15mins thenen-USTelligent Community 10https://www.vetnurse.co.uk/thread/25127?ContentTypeID=1Thu, 28 May 2009 16:56:35 GMT1a0763ec-3885-442c-853e-6cef656dfec5:25b1360e-a848-48b4-ba9b-68010095b11fSandra Taylor RVN, MBVNA<p>Frith that is a great site<img src="http://www.vetnurse.co.uk/emoticons/emotion-21.gif" alt="Yes" /></p><div style="clear:both;"></div>https://www.vetnurse.co.uk/thread/25100?ContentTypeID=1Thu, 28 May 2009 11:40:08 GMT1a0763ec-3885-442c-853e-6cef656dfec5:cc6e0ada-44a3-4da7-80e0-c15a8d7bb10aFrith<p>Have a look at this site. It is an american human anaestheastia site. But is an excellent resource for all things anaesthetic, and particularly good for explaining/describing the use of circuits</p> <p><a href="http://www.frca.co.uk/article.aspx?articleid=100143">http://www.frca.co.uk/article.aspx?articleid=100143</a></p><div style="clear:both;"></div>https://www.vetnurse.co.uk/thread/23487?ContentTypeID=1Mon, 18 May 2009 13:33:24 GMT1a0763ec-3885-442c-853e-6cef656dfec5:2184a73a-f9f3-4a0c-bc46-26252c87cdbdbongo<p>we use 50 x bw but about 4 litres for first 5 minutes for denitrogenation of the circuit.</p> <p>rebreathing circuits dont have a circuit factor as such I dont think.</p> <p>we dont use our circles as a true closed circuit we have them semi open, using them closed sounds way to scary and I think in this day and age of anaesthesia nurses having to run back and forth for drugs, suture material etc its not safe to use the closed method unless you are solely at the animals head end.</p><div style="clear:both;"></div>