Lyme disease is caused by a spirochete, Borrelia burgdorferi. A spirochete is a type of bacterium. Lyme disease is transmitted to dogs through the bite of a tick. Once in the blood stream, the Lyme disease organism is carried to many parts of the body and is likely to localize in joints.
encephalopathy is a general term describing a disease that affects the function or structure of your brain there are many types of encephalopathy and brain disease some types are permanent and some are temporary
Encephalopathy is a brain injury that happens when other functions of the body get disrupted by factors such as: 1  Illnesses involving the liver or pancreas, such as diabetes. 2  Disruptions to the heart that affect how well oxygen travels to the brain (anoxia). 3  Severe dehydration. 4  Water accumulating too quickly in the body.