False hyperchloraemia in a dog secondary to ingestion of horse feed supplemented with potassium bromide.

The research article discusses a case where a dog suffered from false hyperchloraemia (high level of chloride in the blood) due to ingesting horse feed supplemented with potassium bromide.

Case Presentation

• The paper begins by discussing a particular case where a dog was brought to a veterinary clinic with a condition of acute abdominal distension. This was suspected to have occurred due to the dog’s ingestion of a large quantity of dry dog food and potentially some horse feed. The horse feed in question consisted of chaff, pony cubes, and vitamin, mineral, and yeast supplements.

Investigation and Diagnosis

• Upon an examination of the dog’s blood electrolyte analysis, the researchers note a significant hyperchloraemia, which is an abnormally high level of chloride in the bloodstream. This simultaneous with a decreased anion gap, meaning the difference between the measured cations and anions in the serum, plasma or urine was less than normal.
• This combination of results led the researchers to probe deeper into the patient’s history and look out for any potential ingestion of bromide. Bromide is known to interfere with the chloride measurements, leading to false indications of hyperchloraemia.
• Upon investigation, it was revealed that there was indeed a presence of potassium bromide in the horse feed eaten by the dog. The recorded serum bromide level for the dog stood at 23.6 mmol/L, which was quite high.

Recovery and Conclusions

• The dog in question managed to recover without any complications. This case serves as a critical example illustrating the importance of taking into account common interferents of chemical analysis techniques, like bromide in this case.
• Such analysis can greatly help in diagnosing the condition at hand appropriately and administering the correct treatment plan, thus ensuring the animal’s swift recovery.