Which statement is true about vagal indigestion types 1, 2, and 4 regarding potassium?

• A. Types 1, 2, and 4 may have normal to moderate hypokalemia
• B. Type 3 may have severe hypokalemia
• C. All types have severe hypokalemia
• D. Potassium is normal in all types

Answer: (A)

Potassium changes in vagal indigestion depend on how much ongoing loss or sequestration of potassium the condition causes. In forms that produce rumen distension or outflow issues without sustained vomiting or loss of gastric secretions, the animal’s potassium often stays near normal or drops only to a moderate level because intake is reduced but there isn’t large, continuous loss. The pattern seen in vagal indigestion types that are primarily gas distension or non-persistent obstruction fits with normal to moderate hypokalemia. If a type involves persistent vomiting or regurgitation with continuous loss of gastric secretions, potassium can fall more severely. Therefore, the statement that Types 1, 2, and 4 may have normal to moderate hypokalemia aligns with the typical potassium disturbances seen in those forms, while more severe losses are not characteristic of those types.