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.
NOSE BLEEDS IN DOGS. There are many potential causes for nose bleeds in dogs. Bleeding from the nose (aka Epistaxis) is NOT normal for any dog at any time. Epistaxis can occur in one or both nostrils and can range from a few droplets or large discharges. Some cases start with sneezing and traces of blood in nasal discharges, while others have profuse bleeding as the first sign.