What are the causes of postoperative bleeding?

The first question that the surgeon should ask himself when faced with postoperative bleeding is what is the cause of the bleeding.
Hypothermia and acidosis are associated with a suppression of the coagulation cascade.
It is important to review the drugs and anesthetics that the patient has received, as well as the doses.
In obese animals, the accumulation of fat in tissues, especially around blood vessels, makes dissection, visualization, and proper hemostasis difficult.