What is Anesthesia?

Veterinary anesthesia is the set of techniques used to eliminate pain and, in many cases, consciousness in an animal during surgical or dental procedures, or exams that require complete stillness, such as certain X-rays and MRIs. There are different levels, from light sedation (the animal is relaxed but responsive) to general anesthesia (complete loss of consciousness), as well as local or regional anesthesia, which blocks sensation only in a specific area of the body.

Before any anesthesia, veterinarians commonly order pre-anesthetic tests, such as a complete blood count and chemistry panel (including creatinine, BUN, and ALT), to evaluate whether the pet is in safe condition for the procedure and to tailor the anesthetic protocol to its health status, age, and size. During anesthesia, the team continuously monitors vital signs such as heart rate, respiration, blood pressure, and blood oxygen levels.

Although every anesthetic procedure carries some risk, modern anesthesia is considered safe in the vast majority of cases when properly planned and monitored by qualified professionals. Senior pets or those with pre-existing conditions (heart, kidney, or liver disease) require even more careful evaluation and protocols. Talk to your veterinarian about the recommended pre-anesthetic tests and ask any questions before any procedure requiring anesthesia.