Which of the following is NOT an abbreviation commonly used in veterinary medicine?

In veterinary medicine, abbreviations are frequently used for various terms to enhance communication and documentation efficiency. The abbreviation "Hx" stands for history, which is often collected during a patient's examination to understand background information about the animal's health. "Dx" refers to diagnosis, indicating the identification of a disease or condition based on the clinical signs and test results.

"Sx" denotes surgery, commonly used in referring to surgical procedures or when discussing surgical conditions and plans. These abbreviations are widely recognized and employed in veterinary practice as they relate directly to important aspects of veterinary care.

On the other hand, "Bp," while it could be misconstrued as an abbreviation for blood pressure, is not as commonly used in the veterinary field compared to the others. In veterinary medicine, blood pressure is more often abbreviated as "BP," which may lead to confusion about whether "Bp" refers to blood pressure or a less common term. As the term "Bp" does not hold the same level of recognition in veterinary terminology, it is identified as the option that is not commonly used.