This dog is presented for evaluation of lethargy, anorexia, and vomiting over the past several days. The dog previously was obese and had a good appetite. Recently, however, it has been losing weight and the owners have noticed it drinking a lot of water and urinating a lot. The dog is alert and friendly. The oral mucous membranes are pink but very dry.
Pulses seem weaker than normal.
The dog resists abdominal palpation.