https://www.vetsurgeon.org/f/clinical-questions/16105/seizures-with-apnoea-and-profound-bradycardia Looking for ideas if anyone can help. I have a 3 year old neutered male greyhound, that has no history of any illness, that according to his owners collapsed and then had a seizure a week ago. He recovered. In the practice today he had anotheren-USTelligent Community 10https://www.vetsurgeon.org/thread/95818?ContentTypeID=1Wed, 14 Aug 2013 20:30:58 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:a3c96929-94b3-473a-adff-88eadebef1fdMark Lowrie<p>You seem to describe an intermittent vestibular disease which would suggest a vascular cause is most likely given the work-up so far. Therefore a cardiac or cerebrovascular disease (manifesting as frequent transient ischemic attacks) would be most likely. I think referral is a good idea with consideration of holter monitoring and potential MRI. Getting a video for the referral practice to view would be useful. Not very helpful but I think you&#39;ve done a great job at working up the case so far. Not sure about seizures as nystagmus rare with seizures and no autonomic signs seem to be present.</p><div style="clear:both;"></div>https://www.vetsurgeon.org/thread/95816?ContentTypeID=1Wed, 14 Aug 2013 20:01:23 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:eced800f-7a86-4ba2-830c-059f6ddbe411Francisco Gomez<p>I find xrays alone insufficient to diagnose cardiovascular problems in some cases. My next step would be Echo/ECG...&nbsp;[quote user=&quot;Clive Ansell&quot;]</p> <p>Unsure whether primarily neurological or cardiovascular? where next? referral?? </p> <p>[/quote]</p> <p>and if no help there, MRI?&nbsp;</p><div style="clear:both;"></div>