Artificial Respiration and CPR for Dogs
Continue CPR until the dog breathes on his own and has a steady pulse. If
vital signs do not return after 10 minutes of CPR, the likelihood of success is
remote. Consider stopping CPR.
Note that CPR has the potential to cause complications, including broken
ribs and pneumothorax. Also, never practice artificial respiration or heart
massage on a healthy dog; you can seriously injure the dog.