JÃ¶rg Steiner received his veterinary degree from the Ludwig-Maximilians University in Munich, Germany in 1992. He did an internship in small animal medicine and surgery at the University of Pennsylvania from 1992 to 1993 and a residency in small animal internal medicine at Purdue University from 1993 to 1996. He received his Dr.med.vet. degree from the Ludwig-Maximilians University in Munich, Germany in 1995 in recognition of research on feline trypsin and feline trypsin-like immunoreactivity. In 1996 he achieved board certification with the American College of Veterinary Internal Medicine and the European College of Veterinary Internal Medicine. In 2000 Dr. Steiner received a PhD from Texas A&M University for his work on canine digestive lipases and their use for the diagnosis of gastrointestinal disorders in the dog. In 2012 was recognized as a Fellow of the American Gastroenterology Association. He currently serves as Professor with the Department of Small Animal Medicine and Surgery and the Department of Veterinary Pathobiology at Texas A&M University. Dr. Steiner also serves as Director of the GI Laboratory at Texas A&M University and is involved in a wide variety of research in small animal gastroenterology. He has authored or co-authored more than 170 peer-reviewed articles, 70 book chapters, and 270 research abstracts.

Hypoadrenocorticism, or Addison's disease, in dogs is not a common disease but may be overlooked as a diagnosis. Dogs with classic Addison's disease (moderately to severely elevated serum potassium concentrations, decreased serum sodium concentrations, and mild to moderate azotemia) are often misdiagnosed as having primary renal failure. When the azotemia quickly resolves after fluid therapy, an ACTH stimulation test may be indicated, adding little to the overall cost of veterinary care in such a patient.   

An ACTH stimulation test in a dog with true renal failure does no harm. A missed diagnosis of Addison's disease, however, may lead to an addisonian crisis and, possibly, death. 

Jörg M. Steiner, med.vet., Dr.med.vet., PhD, DACVIM, DECVIM-CA

Department of Small Animal Medicine & Surgery 

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Hypoadrenocorticism, or Addison's disease, in dogs is not a common disease but may be overlooked as a diagnosis.

Practical Matters: Rule out Addison's disease in patients with possible renal failure

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