Low blood sugar can cause depression or seizures. Low blood sugar can be seen if the blood sample is improperly handled. Phosphorus is increased in the bloodstream in patients with chronic kidney disease. Like BUN and creatinine, phosphorus increases in these patients when about 75 percent of both kidneys is damaged. Potassium Potassium is increased in the bloodstream in the pet with acute kidney failure such as kidney failure caused by antifreeze poisoning, in dogs with Addison's disease and in animals with a ruptured or obstructed bladder.
Potassium is lost from the body in vomit, diarrhea and urine.
Pets that are not eating may have a low blood potassium. Low blood potassium can cause the pet to feel weak. Cats with low potassium may develop painful muscles. Sodium Sodium may be slightly increased in the blood if the patient is dehydrated although many dehydrated dogs and cats have a normal blood sodium. Total protein Total protein includes albumin and larger proteins called globulins.