Last time vet took a blood sample he had to anesthetize Mati with gas. She's been anemic and am now seriously considering giving her a transfusion if the next lab indicate needing it. Only issue is that she'd need sedation for the labs and the transfusion. Has anyone here done this with an elderly cat? What was the outcome? I totally don't want to over-stress her or give her something that would only make things worse. Thoughts?