A veterinary advice column reassured a dog owner that an irregular heartbeat in a relaxed dog may be a normal respiratory sinus arrhythmia, not heart disease. This breathing-linked rhythm change is ...
Creators Syndicate on MSN

Unsteady heartbeat may be normal in dog

Q: I adopted a pit bull who had lost one ear in the fighting ring, so I named him van Gogh. He is a healthy, sweet, gentle ...