Equine Anesthesia: Standing Sedation vs. General Anesthesia Decision-Making

By Dr. Zubair Khalid, DVM, MS, PhD · 2026-08-11

Key Takeaways

• The decision between standing sedation and general anesthesia hinges on a risk-benefit analysis, considering procedure requirements, patient factors (temperament, physical status), and facility capabilities, as general anesthesia carries significant morbidity and mortality risks, particularly during induction and recovery.
• Standing sedation with regional anesthesia avoids the hazards of recumbency and induction/recovery but is constrained by patient cooperation, surgical access limitations (primarily head, distal limbs, perineum), and procedure duration, necessitating titratable drug infusions and multimodal analgesia for optimal pain control.
• General anesthesia offers full surgical access to all body regions and has no inherent time limit for maintenance, but it imposes significant cardiopulmonary depression and carries substantial risks during induction, recumbency (atelectasis, V/Q mismatch), and recovery, which is the period of highest morbidity.
• Patient temperament is a critical factor, but a calm horse with severe cardiopulmonary disease may be a better standing candidate than a fractious horse without systemic illness due to the disproportionately high risks of general anesthesia in the former.
• Facility requirements differ significantly: standing sedation necessitates sturdy stocks and head restraint, while general anesthesia requires a padded recovery stall and potentially assisted recovery systems like slings, with the absence of these resources increasing the risk profile of general anesthesia.
• Essential regional anesthetic techniques for standing procedures include perineural blocks for distal limbs, local infiltration and nerve blocks for ocular and head regions, and epidural anesthesia for perineal and caudal reproductive tract procedures, with agent selection based on expected procedure duration and tissue requirements.

Every equine procedure requiring chemical restraint presents the same fundamental question: can this be accomplished safely with the horse standing, or does the risk profile favor general anesthesia? The answer is rarely binary. It depends on the interaction between the procedure's requirements, the patient's temperament and physical status, and the facility's capacity to manage complications under either approach. This article provides a structured framework for that decision, written for practitioners who must weigh anesthetic risk against surgical necessity in horses of varying signalment, health, and value.

The stakes are substantial. Morbidity and mortality in equine general anesthesia remain unacceptably high, and the decision to anesthetize a horse should always include an explicit accounting of whether the benefit of general anesthesia for that specific patient and procedure outweighs its risks Vigani and Garcia-Pereira on standing equine surgery. Standing sedation with regional anesthesia avoids the hazards of recumbency, induction, and recovery entirely, but it imposes its own constraints on patient cooperation, surgical access, and duration. This article examines the physiologic basis of both approaches, the procedure-specific criteria that drive selection, the patient factors that modify risk, and the facility considerations that determine whether a standing protocol is feasible.

At a Glance

The Risk Profile of General Anesthesia

General anesthesia in horses carries a risk burden that is distributed unevenly across the anesthetic period. Induction and recovery are the phases most associated with injury, while the maintenance phase is comparatively stable if ventilation and perfusion are supported. Recovery quality varies by inhalant agent, with reported differences in coordination and strength during emergence Donaldson et al. on recovery from halothane and isoflurane. Horses recovering from isoflurane in that comparison showed higher median recovery scores, indicating more purposeful activity, but also a wider range of outcomes. The clinical point is not that one agent is uniformly superior, but that recovery is a distinct, hazardous phase with agent-specific and patient-specific variability.

Recumbency itself imposes physiologic costs. Horses are large animals with high muscle mass and a pulmonary system that is poorly adapted to dorsal or lateral positioning. Ventilation-perfusion mismatch, atelectasis, and dependent edema all develop during maintenance. The longer the procedure, the greater the cumulative insult. For horses with preexisting respiratory disease, musculoskeletal injury, or neurologic compromise, these effects can be magnified. Assisted recovery systems exist for high-risk patients, and sling-based recovery has been reported as effective and safe for horses at increased risk of injury during emergence Taylor et al. on the Anderson Sling recovery system. However, such systems are not universally available, and their use adds logistical complexity and cost.

The Physiologic Basis of Standing Sedation

Standing sedation exploits the horse's natural tolerance for prolonged standing and the titratability of short-acting agents. The goal is a steady state of sedation that can be adjusted to the procedure's changing stimulus intensity. Infusion of short-acting agents allows rapid achievement of a titratable steady state, and supplementing sedatives with systemic analgesics or regional techniques such as epidurals facilitates standing surgical procedures Vigani and Garcia-Pereira on standing equine surgery. Multimodal analgesia provides superior pain control with potentially fewer side effects than a single-agent approach, which is particularly relevant when the procedure involves deep or highly innervated structures.

The pharmacology of local anesthetics underpins many standing procedures. Local anesthetics prevent the influx of sodium ions across the axonal membrane, blocking action potential propagation Day and Skarda on the pharmacology of local anesthetics. The physicochemical properties of each agent determine onset, potency, and duration, and agent selection should match the procedure's expected duration and tissue requirements. Lidocaine remains the most widely used agent in equine practice, but longer-acting options are available where extended blockade is needed. Regional techniques, including perineural blocks, local infiltration, and epidural administration, can convert a procedure that would otherwise require general anesthesia into a standing one.

Procedure-Specific Decision Criteria

The procedure itself is the first filter. Some procedures are anatomically suited to standing performance, while others are not. Standing approaches are well established for the head, distal limbs, and perineum. Transpalpebral eye enucleation, for example, has been reported in 40 standing horses with successful outcomes and no long-term complications, eliminating the risks and costs of general anesthesia for that procedure Pollock et al. on standing eye enucleation. Similarly, low-field magnetic resonance imaging of the distal limb can be performed in the standing patient, allowing diagnosis of collateral ligament desmopathy without general anesthesia Gutierrez-Nibeyro et al. on standing MRI of the distal interphalangeal joint.

Procedures requiring access to the proximal limb, thorax, abdomen, or axial skeleton generally demand general anesthesia. The decision is also about whether the region can be blocked, but whether the surgeon can work with adequate precision, visibility, and hemostasis while the horse is standing. A procedure that is technically possible in a standing horse may still be better performed under general anesthesia if the surgeon's accuracy would be compromised by patient movement or if the procedure's duration exceeds what sedation can safely support.

Patient Factors That Modify Risk

Patient temperament is the most visible factor, but it is not the most important one. A calm horse with severe cardiopulmonary disease may be a better standing candidate than a fractious horse with no systemic illness, because the risks of general anesthesia are disproportionately high in the former. Conversely, a horse that cannot tolerate stocks, head restraint, or the presence of surgical personnel near its head is a poor standing candidate regardless of how minor the procedure is. The assessment should include a history of previous anesthetic events, response to prior sedation, and observed behavior during handling.

Body weight and conformation matter for recovery risk. Heavy horses, draft breeds, and horses with poor muscle mass have higher rates of recovery complications. Age is a modifier as well, with geriatric horses showing reduced physiologic reserve and younger horses showing unpredictable responses to sedatives. The presence of orthopedic injury, particularly fractures or severe lameness, increases the risk of injury during recovery and may shift the decision toward standing approaches when feasible, or toward assisted recovery when general anesthesia is unavoidable Taylor et al. on the Anderson Sling recovery system.

Facility and Personnel Considerations

Standing sedation places demands on the facility that are different from, but no less real than, those of general anesthesia. Stocks must be sturdy, well-padded, and equipped with head restraint that allows the horse to lower its head without becoming trapped. The surgeon and assistants must be comfortable working at height, and the anesthesia team must have the ability to monitor sedation depth and vital parameters without interfering with the surgical field. Regional anesthesia requires the ability to perform nerve blocks accurately, which in turn requires knowledge of the relevant anatomy and the pharmacology of the agents used Day and Skarda on the pharmacology of local anesthetics.

General anesthesia requires an induction area, a padded recovery stall, and the ability to monitor and support the horse through all phases. Assisted recovery systems, including slings and head-and-tail rope protocols, expand the safety margin for high-risk patients but require trained personnel and appropriate equipment Taylor et al. on the Anderson Sling recovery system. When these resources are absent, the risk profile of general anesthesia rises, and the threshold for attempting a standing approach should fall accordingly.

The Decision Sequence: From Procedure Request to Anesthetic Plan

The decision between standing sedation and general anesthesia should follow a structured sequence that begins before the horse is examined. The first question is not which technique to use, but whether the procedure can be accomplished safely in a standing horse at all. This requires an honest assessment of the procedure's physical demands, the horse's temperament, and the facility's capacity to manage complications.

Step 1: Define the Procedure Requirements

Procedures fall into three broad categories: those that are routinely performed standing, those that require general anesthesia, and those that can be performed either way depending on patient and facility factors. Routine standing procedures include most ophthalmic examinations, sinus trephination, dental extractions, castration in tractable horses, and selected arthroscopic procedures of the distal limb. Procedures that almost always require general anesthesia include laparotomy, thoracic surgery, proximal limb arthroscopy, and any procedure requiring prolonged, motionless recumbency.

For procedures in the discretionary category, the clinician must define the minimum requirements: the degree of patient immobility needed, the expected duration, the amount of tissue manipulation, and whether the surgical field can be adequately anesthetized with local techniques. A procedure that requires absolute immobility for 90 minutes is a poor candidate for standing sedation regardless of how tractable the horse appears. Conversely, a 20 minute procedure on a well-behaved horse with excellent local anesthesia may be unnecessarily risky under general anesthesia.

Step 2: Assess the Patient

The patient assessment has two components: physical status and behavioral suitability. Physical status assessment follows the same logic used for any anesthetic plan. Horses with compromised cardiac function, respiratory disease, or musculoskeletal injuries that make recovery dangerous are better candidates for standing techniques when the procedure permits. The morbidity and mortality associated with equine general anesthesia remains a central consideration in this decision, and the question of whether the benefit of general anesthesia outweighs the risks for a specific patient must be asked explicitly for every case.

Behavioral assessment is more nuanced. A horse that stands quietly for hoof trimming may not stand for an ophthalmic procedure with instrumentation near the eye. The clinician should consider the horse's response to previous handling, its reaction to restraint, and its tolerance of procedures in the relevant body region. Horses that are difficult to handle, have a history of rearing or striking, or show extreme responses to local anesthetic injection are poor standing candidates even for minor procedures.

Step 3: Evaluate the Facility

Standing sedation requires more than a set of stocks. The facility must allow safe access to the surgical site, adequate lighting, and a clear exit path for the horse and personnel in an emergency. The stocks must be sturdy and appropriately sized. The clinician must also consider whether the facility has the equipment to manage complications of standing sedation, including airway access, intravenous catheterization, and the ability to convert to general anesthesia if needed.

Facility factors that favor general anesthesia include the availability of a padded recovery stall, assisted recovery equipment such as a sling system, and personnel experienced in anesthetic management and recovery. The Anderson Sling suspension system has been described as an effective and safe method for recovering horses at increased risk of injury during recovery from general anesthesia, which may shift the risk calculus for horses with musculoskeletal disease that would otherwise be poor recovery candidates.

The Decision Tree

The following decision tree summarizes the sequential logic. Each node represents a question that must be answered before proceeding.

Monitoring Parameters for Standing Sedation

Monitoring a standing sedated horse differs fundamentally from monitoring a horse under general anesthesia. The horse's posture, balance, and response to stimulation are primary indicators of anesthetic depth. The clinician should monitor heart rate, respiratory rate, and mucous membrane color at regular intervals, typically every 5 to 10 minutes depending on the procedure and the drugs used. Capillary refill time and pulse quality provide additional information about cardiovascular status.

The most important monitoring parameter is the horse's level of consciousness and response to surgical stimulation. A horse that becomes increasingly alert, begins to move, or shows signs of discomfort despite sedation requires either additional sedation, additional local anesthesia, or conversion to general anesthesia. A horse that becomes ataxic, leans heavily on the stocks, or shows signs of excessive sedation requires immediate attention to prevent injury.

Blood pressure monitoring is less commonly performed in standing sedated horses but should be considered for prolonged procedures or in horses with cardiovascular disease. The clinician should document the sedation level, vital parameters, and any additional drug administration at regular intervals in the medical record.

Documentation and Communication

The medical record should document the rationale for choosing standing sedation over general anesthesia, the specific drugs and doses administered, the monitoring parameters recorded, and any complications or deviations from the planned protocol. This documentation serves both medical and medicolegal purposes. The American Veterinary Medical Association provides practice resources that address professional standards for medical record keeping and client communication.

Communication with the owner should include the reasons for the chosen approach, the expected duration of the procedure, the risks specific to the patient, and the plan for managing complications. Owners should understand that standing sedation does not eliminate anesthetic risk, it changes the risk profile. The owner should also be informed of the expected recovery period and any restrictions on activity following the procedure.

When the Correct Choice Changes

The decision framework shifts with species, production system, and available equipment. In a referral hospital with a dedicated equine anesthesia service, the threshold for general anesthesia may be lower than in a field setting where anesthetic monitoring equipment is limited. Conversely, a practice with extensive experience in standing surgery and well-designed stocks may safely perform procedures standing that would require general anesthesia elsewhere.

Breed and discipline also matter. A show horse with a history of excellent behavior under sedation may be a better standing candidate than a young, unhandled horse of the same breed. A horse that must return to competition quickly may benefit from the shorter recovery associated with standing procedures, provided the procedure itself is appropriate.

The evidence base for standing procedures continues to expand. Standing low-field magnetic resonance imaging has been used to detect collateral ligament desmopathy of the distal interphalangeal joint without general anesthesia, and transpalpebral eye enucleation has been successfully performed in standing sedated horses with local anesthesia. These reports demonstrate that procedures once considered to require general anesthesia can be performed standing in selected patients. The decision remains case-specific, and the clinician must weigh the demonstrated feasibility of a technique against the specific patient, procedure, and facility factors present.

Recognized Complications and Failure Modes

Standing sedation fails along predictable pathways. The most common is inadequate sedation for the stimulus intensity, which produces sudden movement during a critical surgical step. Early detection depends on serial assessment of response to noise, touch, and the surgical stimulus itself. A horse that tolerates clipping but flinches at skin incision will not tolerate deeper dissection. Escalate the protocol before the surgical stimulus, not after a reactive movement.

Cardiorespiratory depression occurs with all sedative combinations, particularly alpha-2 agonists. Hypoxemia develops silently in the standing horse because compensatory tachycardia is blunted by the same drugs that provide sedation. Pulse oximetry on the tongue or lip, capnography via nasal cannula, and frequent auscultation remain the minimum monitoring standard. A declining SpO2 with a rising end-tidal CO2 indicates ventilatory depression requiring reduced infusion rates or oxygen insufflation.

Ataxia and loss of balance constitute the most dangerous failure mode in stocks. The horse may lean, buckle, or attempt to lie down. Early signs include weight shifting, pawing, and head droop progressing to sway. The discriminating question is whether ataxia reflects excessive sedation, a vestibular event, or a syncopal episode. Immediate response is to reduce or stop the infusion, provide physical support, and prepare for possible assisted recumbency.

Paradoxical excitation occurs when sedation is too light and the horse responds to pain with explosive movement, or when certain drug combinations produce disinhibition. The horse appears calm at rest but overreacts to touch. This pattern demands reassessment of the analgesic component instead of simply adding more sedative.

Common Errors and Corrective Actions

The most frequent error is underdosing the analgesic component while relying on sedation alone. Sedatives reduce awareness but do not provide surgical analgesia. A horse that is heavily sedated but unblocked will still respond to visceral or periosteal stimulation. The corrective action is to plan the regional or local anesthetic technique before the procedure begins and to verify blockade by response to skin prick or forceps pressure.

A second error is failing to account for drug accumulation during prolonged procedures. Infusions of short-acting agents allow titration to a steady state, but the steady state rises with duration as redistribution sites saturate. The clinician who does not reduce the infusion rate after 60 to 90 minutes will oversedate the patient. The corrective action is to record the infusion rate at regular intervals and to step down the rate proactively.

A third error is proceeding with surgery when the horse's head position or limb placement compromises the surgical field. Standing procedures require the horse to bear weight evenly. A horse that shifts weight repeatedly because of fatigue or discomfort will not remain still. The corrective action is to recognize fatigue as a legitimate reason to stop, rest the horse, or convert to general anesthesia.

Students and less experienced clinicians also tend to misinterpret the depth of sedation from head droop alone. Head position correlates poorly with tolerance of surgical stimulation. The more reliable indicators are ear tone, response to a loud noise, and the palpebral reflex. A horse with a dropped head but active ears is not adequately sedated.

Limitations of the Evidence and Areas of Expert Disagreement

The evidence base for standing equine anesthesia consists largely of retrospective case series and expert opinion. Prospective randomized comparisons between standing sedation and general anesthesia for the same procedure are scarce. The morbidity and mortality of general anesthesia remain unacceptably high, which supports a preference for standing techniques where feasible, but the comparative risk reduction has not been quantified precisely. Anesthesia and analgesia for standing equine surgery frames this as a critical risk-benefit judgment for each patient and procedure.

Baseline vital signs recorded when well make colic assessment far more reliable. Photo: Pezibear via Pixabay.

Recovery from general anesthesia is consistently identified as a high-risk phase, and assisted recovery systems such as the Anderson Sling have demonstrated utility in selected high-risk patients. The Anderson Sling suspension system for recovery of horses reports successful assisted recoveries in 31 of 32 events, but the case selection criteria and the absence of a control group limit generalization.

Expert opinion diverges on several points. The threshold for converting from standing to general anesthesia varies widely among practitioners. Some advocate conversion at the first sign of inadequate sedation, while others attempt rescue with additional boluses and regional techniques. There is no consensus on the maximum safe duration of standing sedation, nor on the optimal drug combination for procedures exceeding two hours. The role of newer local anesthetic agents and adjuncts such as alpha-2 agonists and opioids in epidural protocols remains an area of active investigation, as noted in the pharmacology of local anesthetics.

Referral, Consultation, and Reporting

Referral to a specialty facility is warranted when the procedure requires equipment not available in the practice, when the patient has comorbidities that exceed the clinician's experience, or when a standing approach has failed and general anesthesia carries prohibitive risk. A horse with a fractured limb that requires standing imaging, or a patient with severe cardiac disease needing surgery, benefits from a facility with advanced monitoring, assisted recovery systems, and 24-hour staffing.

Specialist consultation is appropriate for regional anesthetic techniques that are unfamiliar, for patients with suspected coagulopathy or electrolyte disturbances, and for procedures involving the head, neck, or orbit where local anesthetic spread carries risk. Standing enucleation has been described as a safe alternative to general anesthesia in selected horses, but the technique requires precise nerve blocks and careful patient selection. Transpalpebral eye enucleation in standing horses reports successful outcomes in 40 horses, yet the authors emphasize the need for appropriate sedation and local anesthesia of orbital structures.

Laboratory involvement is indicated when preanesthetic screening reveals abnormalities that alter drug selection or dosing. Hepatic or renal dysfunction changes the metabolism and excretion of sedatives and may prolong recovery. Electrolyte imbalances, particularly calcium and magnesium, affect cardiac conduction and muscle function during standing procedures.

Regulatory reporting obligations vary by jurisdiction. Adverse events involving drug reactions, unexpected death, or suspected product failure should be reported to the relevant pharmacovigilance authority. The AVMA practice resources provide guidance on professional obligations, while WOAH terrestrial animal health standards address reportable diseases and welfare standards that may apply in specific circumstances. Clinicians should know the requirements of their own regulatory body before an adverse event occurs.

Frequently Asked Questions

How Do I Decide Between Standing Sedation and General Anesthesia When the Facility Lacks Advanced Monitoring Equipment?

When monitoring capacity is limited, favor standing sedation for procedures that can be performed safely in the standing horse. The morbidity and mortality associated with general anesthesia remain unacceptably high, so avoiding recumbency eliminates the most dangerous phase of the anesthetic event. For standing sedation, you need reliable assessment of sedation depth, respiratory rate and effort, heart rate and rhythm, and mucous membrane color. If the procedure requires general anesthesia but your facility cannot provide adequate monitoring, refer the case or postpone until appropriate equipment and personnel are available. The decision to proceed with general anesthesia in a monitoring-limited setting should be made only when the procedure cannot be performed standing and the risk of deferral exceeds the anesthetic risk.

What Are the Cost Implications of Choosing Standing Sedation Over General Anesthesia?

Standing sedation typically reduces direct costs because it requires fewer drugs, less specialized equipment, and shorter recovery periods. General anesthesia consumes inhalant agents, induction drugs, and often additional personnel for induction and recovery monitoring. The morbidity and mortality rate in equine anesthesia drives additional costs through complications, prolonged hospitalization, and potential catastrophic recovery injuries. However, standing sedation may require more expensive regional anesthetic techniques or longer procedure times. When discussing options with owners, present the cost difference as one component of a risk-benefit analysis instead of the primary driver. A failed standing procedure that must be converted to general anesthesia incurs both costs and added anesthetic risk, so factor in the likelihood of success for the specific procedure and patient.

How Should I Manage a Horse That Becomes Unsafe During a Standing Procedure?

Stop the procedure immediately and reassess. The horse may be inadequately sedated, experiencing pain despite the regional block, or reacting to a specific stimulus. Re-dose sedation using a short-acting agent to achieve a titratable steady state, and verify that the regional anesthetic technique is providing complete blockade before continuing. If the horse remains unsafe after additional sedation and local anesthetic supplementation, abandon the standing approach and convert to general anesthesia or stage the procedure. Do not attempt to physically restrain an unsafe horse. Document the events, the drugs administered, and the reason for conversion. The Anderson Sling suspension system may be considered for recovery if the horse is at increased risk for injury during anesthetic recovery.

What Regional Anesthetic Techniques Are Essential for Standing Equine Procedures?

The essential techniques are those that provide surgical anesthesia to the specific region being operated on. For distal limb procedures, perineural anesthesia of the appropriate palmar, plantar, or digital nerves is required. For ocular procedures, akinesia and anesthesia of the eye and orbit are achieved through local nerve blocks and infiltration of the surgical site, as described in a retrospective study of standing enucleation. Epidural anesthesia is valuable for procedures involving the tail, perineum, rectum, and caudal reproductive tract. The pharmacology of local anesthetics determines onset, potency, and duration, so select agents based on the expected procedure length. Mastery of these techniques expands the range of procedures that can be performed standing and reduces reliance on general anesthesia.

How Do I Explain the Anesthetic Plan to an Owner Who Expects General Anesthesia for Every Procedure?

Frame the discussion around risk and outcome instead of convenience. Explain that general anesthesia in horses carries a measurable risk of morbidity and mortality that is not present when the horse remains standing. For procedures that can be performed safely with standing sedation and regional anesthesia, the standing approach eliminates those risks. Use the example of standing enucleation, which eliminates the risks and costs of general anesthesia while achieving the same surgical outcome. Be honest about the limitations: some procedures require recumbency, and some horses are not suitable candidates for standing surgery. Present the recommendation as a professional judgment based on the specific procedure, patient temperament, and facility capabilities, and document that the owner received and understood the risk discussion.

What Records Should I Maintain for a Standing Sedation Procedure?

Maintain the same standard of anesthetic records used for general anesthesia. Document the patient's baseline physical examination findings, body weight, and American Society of Anesthesiologists status. Record all drugs administered, including sedatives, tranquilizers, analgesics, and local anesthetics, with times and routes. Chart heart rate, respiratory rate, and sedation depth at regular intervals throughout the procedure. Note any adverse events, additional drug administration, or changes in the planned approach. Record the regional anesthetic technique used, the volume and concentration of local anesthetic, and the response to surgical stimulation. Document the recovery period until the horse is stable and eating. These records support clinical decision-making, provide medicolegal protection, and contribute to professional practice standards for anesthetic care.

Related Clinical & Scientific Guides

• Anesthetic Machine Leak Testing and Pressure Checks: A Step-by-Step Protocol
• Anesthetic Depth Assessment: Reflexes, Eye Position, and Ventilation
• Anesthesia for Patients with Obesity: Challenges and Solutions

References and Further Reading

• Anesthesia and analgesia for standing equine surgery.. 2014.
• The recovery of horses from inhalant anesthesia: a comparison of halothane and isoflurane.. 2000.
• The pharmacology of local anesthetics.. 1991.
• Transpalpebral eye enucleation in 40 standing horses.. 2008.
• Use of the Anderson Sling suspension system for recovery of horses from general anesthesia.. 2005.
• Magnetic resonance imaging findings of desmopathy of the collateral ligaments of the equine distal interphalangeal joint.. 2009.
• AAHA Anesthesia and Monitoring Guidelines for Dogs and Cats. AAHA.
• WSAVA Global Pain Council Guidelines. WSAVA.
• MSD Veterinary Manual, Professional Edition. MSD Veterinary Manual.

Related Articles

• Veterinary Sedation Protocols: From Calm to Deep Sedation
• Anesthesia for Patients with Cancer: Paraneoplastic Syndromes
• Anesthesia for Patients with Sepsis: Hemodynamic Support
• Anesthesia for Patients with Trauma: Emergency Considerations
• Anesthesia Machine Safety Features and Backup Systems

This article is educational professional reference material for veterinary audiences. It is not a substitute for veterinary diagnosis, individual clinical judgment, current product labeling, or applicable regulatory requirements.