Thank you Dr. Kevin. How fast do you think her heart enlarged before the full CHF episode? She did nothave an echocardiogra, so I know the anser will be more vague, but hyptheically...if the heart murmur was a 2/3 last October and this May it was a 3/4...does that mean she was in severe decline then? When she coughed it would be hard for 5-10 secs...then she would be fine. We gave her table scrapes...some steak, chicken..roast beef sometime...could the salt made her heart enlarge faster? When I gave her cpr during the syncope episode, I felt her stomach expand...did i put to much air into her and I do more damage? After the episode I heard fluid in her lungs as she breathed...if I would have taken her to the er vet within 15 minutes vs 30-45 minutes, could they may have saved her because she would have been in an O2 chamber and have IV lasix in to push out the fluid?