Other symptoms may include weight loss, lethargy due to pneumonia, and signs associated with congestive heart disease. (tulsapetsmagazine.com)
The sluggist circulation present in congestive heart disease, the circulatory colapse that acompanies shock, Cushing's disease or the cortisone - like drugs that mimic it, intestinal bleeding, and Addison's disease have all been occasionally associated with small - to - moderate increases in BUN. (2ndchance.info)
Enlargement of the heart starts off slowly, then progressing into congestive heart disease causing fluid to build up in the lungs and other damage. (okawvetclinic.com)