https://www.vetnurse.co.uk/f/clinical-discussions/23280/using-a-doppler Hey All, When using a ultrasound doppler in a dog, do you take your systolic reading from exactly the audible sound? or from when the pin on the sphygmonameter begins to visably pulsate? I find often there is up to 10-20mmhg in the difference en-USTelligent Community 10https://www.vetnurse.co.uk/thread/147295?ContentTypeID=1Sun, 03 Nov 2013 21:13:31 GMT1a0763ec-3885-442c-853e-6cef656dfec5:16e81f62-fa1d-46b3-bb23-96901757fd12Steph Worsley<p>always go by sound, the pin on the sphyg can wobble for various reasons,&nbsp;</p><div style="clear:both;"></div>https://www.vetnurse.co.uk/thread/147294?ContentTypeID=1Sun, 03 Nov 2013 20:24:00 GMT1a0763ec-3885-442c-853e-6cef656dfec5:7bb5dc6b-072d-4c56-bb4a-111ff6f41b60Julie-Anne Wilson<p>I&#39;ve always done it by sound - it&#39;s what I was taught at college.</p><div style="clear:both;"></div>