1) pulmonary edema-a build up of excess fluid in the interstital space between the alveoli and the capillary 2) pulmonary fibrosis-a build up of fibrous tissue in the interstital space 3) pneumonia-a build up of inflammatory fluid and cells in and around the alveoli.
The first day of bleeding is called the first day of heat. The duration of proestrus can vary from as little as 1 day to 21 days. Proestrus is a time of rising estrogen levels preparing the reproductive tract for breeding. Estrus: Is the period of receptivity. Behaviorally it begins the first day the bitch stands.
For dog bleeding on any part of the body, apply pressure with a gauze dressing or clean towel. If bleeding soaks through the dressing, don't remove it; just put another dressing on top. If bleeding does not stop in five minutes, continue to apply pressure and take your dog to the vet. Apply pressure for 5 to 10 minutes. If you see any swelling in the limbs lessen the pressure.