The third stage is passing of the placenta. The afterbirth might pass with each individual puppy, usually within 15 minutes of delivery. If the mother has a few puppies in rapid succession, those placentas may come out en masse.
Best Answer: Types of coma can include: Toxic-metabolic encephalopathy. This is an acute condition of brain dysfunction with symptoms of confusion and/or delirium. The condition is usually reversible. The causes of toxic-metabolic encephalopathy are varied.
Comas are caused by an injury to the brain. Brain injury can be due to increased pressure, bleeding, loss of oxygen, or buildup of toxins. The injury can be temporary and reversible. It also can be permanent. More than 50% of comas are related to head trauma or disturbances in the brain's circulatory system.