Interactive case 14: The case of the nighttime food thief

Try again. These changes could be related to liver disease, but if either hepatic parenchymal disease or a vascular anomaly (e.g. a shunt) was causing Ivy's PU/PD, there would also typically be other liver enzyme activities affected (e.g. increased alanine transaminase) or changes in other analytes indicative of liver function (e.g. low blood urea nitrogen, protein, or glucose concentrations). Also, it would be odd for a dog to be polyphagic in the face of liver disease. 

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