Veterinary Emergency and Critical Care: Monitoring Equipment Essentials

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

Key Takeaways

• Continuous monitoring of cardiovascular, respiratory, and neurologic function is paramount in veterinary emergency and critical care to detect physiologic deterioration before it becomes irreversible. Key modalities include oscillometric/Doppler blood pressure, electrocardiography, pulse oximetry, capnography, and point-of-care ultrasound (FAST exams).
• Blood pressure monitoring requires careful cuff size selection (40% of limb circumference) and interpretation of trends over single readings; mean arterial pressure below 60 mm Hg generally warrants intervention, with direct arterial catheterization serving as the reference standard for hypotensive patients.
• Electrocardiography assesses electrical activity, not mechanical output; it is crucial for identifying arrhythmias and guiding antiarrhythmic therapy but cannot confirm perfusion, necessitating correlation with pulse palpation or other perfusion parameters.
• Pulse oximetry estimates arterial oxygen saturation (SpO2), with values below 94% at sea level prompting oxygen supplementation, but is susceptible to motion artifact and poor perfusion, requiring waveform confirmation and correlation with clinical signs.
• Capnography provides a continuous, noninvasive estimate of end-tidal CO2 (EtCO2), with trends guiding ventilation support and a sudden drop often indicating cardiac arrest or disconnection, while a gradual decline suggests falling cardiac output or hypovolemia.
• Point-of-care ultrasound (FAST exams) is essential for detecting free fluid in the abdomen and thorax (hemoperitoneum, pleural/pericardial effusion) and guiding resuscitation, with serial assessments being more informative than single scans, especially in trauma patients.

Emergency and critical care monitoring in veterinary medicine serves a single purpose: to detect physiologic deterioration before it becomes irreversible. The equipment discussed in this article supports the assessment of cardiovascular, respiratory, and neurologic function in unstable patients across species. This reference is written for practicing veterinarians who manage emergency presentations and critically ill inpatients and who need to select, interpret, and troubleshoot monitoring devices in real time.

The article covers the core monitoring modalities used in veterinary emergency rooms and intensive care units: physical examination adjuncts, oscillometric and Doppler blood pressure measurement, electrocardiography, pulse oximetry, capnography, and point-of-care ultrasound. It explains the physiologic principles that underlie each modality, the artifacts and failure modes that limit their reliability, and the clinical reasoning that determines which monitor matters most in a given patient. A companion article addresses advanced techniques including central venous pressure measurement and advanced hemodynamic assessment.

At a Glance

Physiologic Basis of Monitoring

Monitoring equipment translates physiologic signals into clinically actionable data. The reliability of that translation depends on understanding what each signal represents and which physiologic compartments it reflects.

Oxygen Delivery and the Circulation

Oxygen delivery depends on cardiac output, hemoglobin concentration, and arterial oxygen saturation. A monitor that reports one component, such as pulse oximetry, does not confirm adequacy of the others. A patient with severe anemia may have normal SpO2 yet critically low oxygen delivery. Conversely, a patient with high cardiac output may maintain perfusion despite low measured blood pressure. The clinician must integrate multiple parameters instead of chase a single number.

The endothelial glycocalyx, a carbohydrate-rich layer lining the luminal surface of all blood vessels, regulates vascular permeability and fluid exchange. Degradation of this layer occurs in sepsis, trauma, and hemorrhagic shock, and it contributes to edema formation and impaired tissue perfusion. As Gaudette, Hughes, and Boller describe in their review of the endothelial glycocalyx in critical illness, circulating degradation products such as syndecan-1 rise in these conditions, and the resulting loss of glycocalyx integrity influences both fluid therapy decisions and the interpretation of perfusion parameters. This understanding matters for monitoring because it explains why capillary refill time and lactate may improve while tissue edema worsens, and why aggressive crystalloid resuscitation can paradoxically impair oxygen exchange at the tissue level.

Shock States and Compensatory Mechanisms

The body defends perfusion through baroreceptor activation, sympathetic discharge, and neuroendocrine responses. These mechanisms preserve blood flow to the brain and heart at the expense of the skin, kidneys, and splanchnic bed. Consequently, the earliest detectable signs of shock are often cutaneous: pale mucous membranes, prolonged capillary refill time, cool extremities, and weak peripheral pulses. These findings precede measurable hypotension in many patients, particularly in dogs and cats with compliant vasculature.

Monitoring must therefore be interpreted in stages. A normal blood pressure in a tachycardic, pale patient does not indicate stability, it indicates compensation. The transition from compensated to decompensated shock can occur rapidly, and monitoring frequency should reflect the patient's trajectory instead of a fixed schedule.

Blood Pressure Monitoring

Arterial blood pressure is the most frequently requested cardiovascular parameter in veterinary critical care, yet it is also the most frequently misinterpreted. Pressure does not equal flow. A vasoconstricted patient may have normal or high measured pressure with critically low cardiac output, while a vasodilated septic patient may have low pressure with adequate flow.

Doppler Ultrasonography

Doppler flow detection uses an ultrasound crystal to detect arterial wall motion distal to an occluding cuff. It provides systolic pressure only, though the difference between Doppler systolic and direct arterial systolic measurements varies with cuff size and patient positioning. The technique is reliable in small patients and hypotensive states, which makes it the default method in many emergency settings. Its limitations include operator dependence and the inability to detect diastolic or mean pressures.

Oscillometry

Oscillometric devices measure pressure oscillations in the cuff during deflation and derive systolic, diastolic, and mean pressures from the oscillation envelope. They are less operator dependent than Doppler but perform poorly in small patients, tachyarrhythmias, and severe hypotension. Cuff width should approximate 40 percent of limb circumference, a cuff that is too wide underestimates pressure, and one that is too narrow overestimates it. The AAHA and AAFP fluid therapy guidelines emphasize that blood pressure trends matter more than single readings, and that cuff selection and patient positioning must be standardized to make serial comparisons valid.

Direct Arterial Measurement

Indwelling arterial catheters provide continuous, beat-to-beat pressure and are the reference standard for hypotensive patients and those receiving vasopressor infusions. They also enable frequent arterial blood gas sampling. The risks include thrombosis, hemorrhage, and infection, and the equipment requires damping assessment to ensure waveform fidelity. An underdamped system overestimates systolic pressure, while an overdamped system underestimates it, mean pressure is less affected by damping errors.

Electrocardiography

The electrocardiogram records electrical activity, not mechanical function. This distinction is the most important concept in emergency cardiac monitoring. A patient in pulseless electrical activity has a normal-appearing rhythm on the electrocardiogram with no cardiac output, and a patient with ventricular fibrillation has no organized electrical activity at all. The electrocardiogram identifies arrhythmias, guides antiarrhythmic therapy, and confirms cardiac arrest, but it cannot confirm perfusion.

Three-lead and five-lead configurations are standard in emergency settings. Five-lead systems add a precordial lead that improves detection of ventricular ectopy and ST-segment changes. Continuous electrocardiography is indicated for patients with known arrhythmias, those receiving drugs that alter conduction, and all patients during cardiopulmonary resuscitation. The RECOVER Initiative guidelines for CPR in dogs and cats specify that electrocardiographic rhythm assessment should not interrupt chest compressions for more than 10 seconds, and that defibrillation decisions depend on rapid rhythm identification.

Pulse Oximetry

Pulse oximetry estimates arterial hemoglobin saturation by measuring light absorption across a pulsatile vascular bed. The device distinguishes arterial blood from venous blood and tissue by isolating the pulsatile component of the signal. The reported SpO2 is a ratio of oxyhemoglobin to total hemoglobin, and it does not detect carboxyhemoglobin or methemoglobin accurately.

The relationship between SpO2 and partial pressure of arterial oxygen follows the oxyhemoglobin dissociation curve. At sea level, an SpO2 of 94 percent corresponds to a PaO2 of approximately 70 to 80 mm Hg, and values below this indicate clinically significant hypoxemia. The curve is sigmoidal, so SpO2 remains near normal until PaO2 falls below approximately 60 mm Hg, after which saturation drops rapidly. This means pulse oximetry is insensitive to mild hypoxemia but highly sensitive to severe hypoxemia.

Motion artifact, poor peripheral perfusion, pigmented skin, and ambient light interference cause false readings. The clinician should confirm that the displayed waveform is consistent and that the pulse rate matches the heart rate before acting on an abnormal value. In patients with severe vasoconstriction or hypotension, the probe may fail to acquire a signal entirely, which is itself a clinically significant finding.

Point-of-Care Ultrasound in the Emergency Patient

Focused assessment with sonography for trauma (FAST) has moved from a screening tool for free fluid to a repeatable, goal-directed examination that informs resuscitation in real time. The abdominal FAST (AFAST) and thoracic FAST (TFAST) protocols were developed to standardize nonradiologist use of ultrasound in emergency and critical care, and they detect free fluid in the peritoneal, pleural, and pericardial spaces with high sensitivity and specificity when performed by trained operators Lisciandro, institutional publication on FAST techniques in small animals. The clinical utility extends beyond trauma: the same scanning sequence identifies effusions, guides abdominocentesis, and tracks fluid accumulation during resuscitation in medical emergencies such as pancreatitis, right-sided congestive heart failure, and septic peritonitis.

The AFAST examination uses a four-point approach: the diaphragmatico-hepatic view, spleno-renal view, cysto-colic view, and hepato-renal view. Each site is evaluated for anechoic fluid accumulation, and the volume is estimated semiquantitatively. A positive AFAST in a hypotensive trauma patient supports immediate intervention, either with a small-volume crystalloid bolus or blood products, before further diagnostic imaging. The TFAST examination adds the chest tube site, pericardial view, and a lung sliding assessment for pneumothorax. The presence of a "standing" or "step" sign at the lung interface indicates loss of pleural sliding and supports the diagnosis of pneumothorax without exposing the patient to radiographic delay.

Serial FAST examinations are more informative than a single scan. A patient with a negative initial AFAST but persistent hypotension should be re-scanned within 15 to 30 minutes, because ongoing hemorrhage may not produce detectable free fluid until a critical volume accumulates. The same principle applies to monitoring response to fluid therapy: a patient whose AFAST score increases during resuscitation is either receiving excessive volume or has ongoing bleeding, and the resuscitation plan should be adjusted accordingly. In small animal practice, the AFAST and TFAST protocols are taught as core skills in emergency training programs, and the equipment required is a curvilinear or microconvex probe with a frequency range of 5 to 8 MHz for most dogs and cats.

Capnography

Capnography provides a continuous, noninvasive estimate of arterial carbon dioxide tension and, more importantly, reflects pulmonary perfusion. The capnogram waveform, also the numeric end-tidal CO2 (EtCO2) value, carries diagnostic information. A normal waveform shows a rapid rise during expiration, a plateau, and a sharp drop at inspiration. Loss of the plateau with a "shark fin" configuration suggests obstructive airway disease, bronchospasm, or a kinked endotracheal tube. A sudden drop in EtCO2 to near zero in an intubated patient indicates esophageal intubation, disconnection from the breathing circuit, or cardiac arrest. A gradual decline in EtCO2 with a stable waveform suggests falling cardiac output, pulmonary embolism, or hypovolemia, and it often precedes changes in blood pressure by several minutes.

The gradient between arterial CO2 (PaCO2) and EtCO2 is normally 2 to 5 mm Hg in healthy animals. This gradient widens with increased dead space ventilation, which occurs in hypovolemia, pulmonary thromboembolism, and low cardiac output states. In these conditions, EtCO2 underestimates PaCO2, and a normal EtCO2 does not exclude hypercapnia. Conversely, in patients with rapid, shallow breathing, EtCO2 may overestimate PaCO2 because alveolar gas is not fully sampled. Capnography is therefore a trend monitor, not a substitute for blood gas analysis when precise CO2 measurement is required.

In cardiopulmonary resuscitation, capnography serves a dual role. An EtCO2 below 10 mm Hg during chest compressions indicates inadequate cardiac output and should prompt a change in compression technique or rate. A sudden sustained rise in EtCO2 during compressions often signals return of spontaneous circulation and can be detected before a palpable pulse returns. The RECOVER Initiative veterinary CPR guidelines recommend quantitative waveform capnography as the preferred method to confirm endotracheal tube placement and to monitor the quality of chest compressions during CPR.

Temperature Monitoring and Management

Core temperature measurement is a standard component of the emergency database, but the method matters. Rectal temperature probes can read falsely low during severe hypothermia because of poor mucosal perfusion, and they lag behind core temperature changes during rapid rewarming. Esophageal temperature probes placed in the distal esophagus track core temperature closely and are preferred in anesthetized or mechanically ventilated patients. Infrared tympanic thermometers are convenient but are affected by ambient temperature, cerumen, and probe positioning, and they are less reliable in small patients.

Temperature abnormalities drive specific interventions. Hypothermia below 35°C (95°F) impairs coagulation enzyme function, reduces drug metabolism, and increases the risk of arrhythmias. Active rewarming should begin immediately in trauma patients, because hypothermia worsens the coagulopathy of hemorrhage. Hyperthermia above 41°C (105.8°F) in dogs, particularly when accompanied by altered mentation, requires aggressive cooling and monitoring for disseminated intravascular coagulation and acute kidney injury. The target temperature range for most critically ill patients is 37.2 to 38.9°C (99 to 102°F), and the rate of temperature change should be documented hourly during active management.

Urine Output and Perfusion Monitoring

Urine output is the most practical bedside indicator of renal perfusion and, by extension, global perfusion. A urinary catheter with a closed collection system allows hourly measurement. Oliguria, defined as urine output below 0.5 mL/kg/h in dogs and 1.0 mL/kg/h in cats, indicates inadequate renal perfusion or intrinsic renal injury. Anuria with a distended bladder suggests obstruction or rupture, while anuria with a small bladder suggests severe hypoperfusion or acute kidney injury. The AAHA/AAFP fluid therapy guidelines for dogs and cats emphasize urine output as a key parameter for monitoring fluid therapy and for detecting fluid overload before it becomes clinically apparent.

Lactate measurement, either from a blood gas analyzer or a handheld device, provides a direct assessment of tissue oxygenation. A rising lactate with adequate blood pressure indicates ongoing tissue hypoxia, whereas a falling lactate indicates that resuscitation is effective. Serial lactate measurements every 2 to 4 hours during the initial resuscitation period are more useful than a single value. The clearance rate, not the absolute value, correlates with outcome in septic and trauma patients.

Equipment Checklist and Monitoring Parameters

The following checklist represents the minimum equipment set for a functional emergency and critical care monitoring station. Availability varies by practice setting, and the list should be adapted to caseload and facility capabilities.

The table below summarizes the parameters to monitor with each device and the clinical action triggered by an abnormal reading.

Species differences affect monitoring choices. Cats have smaller peripheral arteries, making direct arterial catheterization more challenging, and their higher baseline heart rate makes pulse oximetry more prone to motion artifact. Production animals, including cattle and small ruminants, have different normal ranges for heart rate and respiratory rate, and the MSD Veterinary Manual provides species-specific reference intervals that should be consulted before interpreting monitoring data. In food animals, the cost of monitoring equipment must be weighed against the value of the patient, and simpler monitoring, such as mucous membrane color, capillary refill time, and auscultation, may be more appropriate than continuous electronic monitoring.

Recognized Complications and Early Detection

Every monitoring modality carries failure modes that can misdirect treatment if not recognized promptly. Oscillometric cuffs fail when limb circumference does not match cuff width, when motion artifact is excessive, or when the patient is vasoconstricted and hypotensive. The device may then report values that are falsely low or fail to cycle altogether. Direct arterial measurement avoids many of these errors but introduces risks of thrombosis, hemorrhage, and limb ischemia. The dorsopedal and auricular arteries are most commonly catheterized in dogs and cats. Early detection of ischemia relies on serial assessment of distal limb color, temperature, and capillary refill time, performed at least every two hours while the catheter remains in place.

Pulse oximetry fails when peripheral perfusion is poor, when the probe is malpositioned, or when carboxyhaemoglobin or methaemoglobin is present. A normal SpO₂ reading does not exclude tissue hypoxia if the probe site is poorly perfused. Capnography can produce falsely low EtCO₂ readings during rapid shallow breathing, when the sampling line is kinked or occluded, or when the patient is in cardiac arrest with minimal pulmonary blood flow. The waveform morphology distinguishes these causes: a normal plateau with low EtCO₂ suggests hypoperfusion, while an absent plateau with a short upstroke suggests a sampling or airway problem.

Temperature probes in the esophagus can migrate into the trachea, particularly in small patients, producing readings that track inspired gas temperature instead of core temperature. Rectal probes can become dislodged or impacted in feces. Early detection of probe malfunction requires routine comparison of the monitored temperature against a second method at least once per shift.

Common Errors and Corrective Actions

Less experienced clinicians frequently interpret a single normal blood pressure reading as evidence of stable perfusion. A single measurement cannot distinguish compensated shock from a patient in transition. Serial measurements, interpreted alongside heart rate, mucous membrane color, and urine output, provide the context needed for accurate assessment. The AAHA and AAFP fluid therapy guidelines emphasize that monitoring must be matched to the patient's trajectory, not performed as a one-time event.

Another common error is treating the monitor instead of the patient. A low SpO₂ reading may prompt immediate oxygen supplementation, which is appropriate, but the underlying cause, hypoventilation, shunt, or diffusion impairment, must be identified. Similarly, an elevated heart rate in a painful patient may be dismissed as pain when it reflects hypovolemia. The corrective action is to integrate data across modalities and to re-examine the patient directly before changing therapy.

Students often fail to account for the lag time inherent in some monitoring methods. Oscillometric blood pressure readings can lag behind acute changes in perfusion by several minutes. Direct arterial measurement responds more quickly but requires careful zeroing and damping assessment. Clinicians should know the response characteriztics of each device in use and should not chase readings that may already be outdated.

Limitations of Current Evidence

The veterinary evidence base for monitoring equipment is uneven. Many devices are validated in healthy animals or in experimental models of disease, with limited data from spontaneously ill patients. The ACVECC CURATIVE guidelines illustrate this pattern: systematic review identified substantial evidence for some interventions but only weak, conflicting evidence for others, particularly regarding monitoring of antithrombotic therapy. Clinicians should recognize that normal reference ranges for monitored variables are often extrapolated from healthy populations and may not apply to critically ill patients with altered vascular tone or body composition.

Expert opinion still differs on several practical questions. The optimal frequency of blood pressure measurement in the stable ICU patient is not established. The role of the endothelial glycocalyx in guiding fluid therapy, as reviewed by Gaudette and colleagues, is promising but has not yet produced validated clinical monitoring tools. The use of hydroxyethyl starch solutions remains controversial, with Adamik and colleagues noting that veterinary evidence is limited to small studies with short-term endpoints. These uncertainties should be acknowledged when discussing monitoring plans with clients and when interpreting trends that fall outside expected patterns.

Escalation and Referral Criteria

Monitoring equipment identifies abnormalities, but the response to those abnormalities determines outcome. When a patient deteriorates despite appropriate monitoring and intervention, escalation is warranted. This may involve moving from indirect to direct blood pressure measurement, adding advanced imaging, or consulting a specialist in emergency and critical care. The RECOVER Initiative guidelines provide structured algorithms for cardiac arrest and post-arrest care, and their use is recommended when a patient arrests or shows signs of impending arrest.

Laboratory involvement is indicated when monitoring suggests metabolic derangement that cannot be assessed at the bedside. Point-of-care lactate and blood gas analysis can guide resuscitation, but more complex coagulation testing, endocrine assays, or toxicology screens may require a referral laboratory. The MSD Veterinary Manual provides species-specific guidance on interpreting laboratory results in the context of critical illness.

Regulatory reporting obligations vary by jurisdiction. In some regions, adverse events involving medical devices must be reported to the relevant authority. The AVMA practice resources and WOAH terrestrial animal health standards provide guidance on professional obligations, though specific requirements depend on local law. When a monitoring device malfunctions and contributes to patient harm, the incident should be documented thoroughly and reported according to institutional policy.

Troubleshooting Guide

Frequently Asked Questions

How do I prioritize monitoring when only basic equipment is available?

When advanced monitors are unavailable, the physical examination becomes the primary monitoring tool. Mucous membrane color, capillary refill time, pulse quality, heart rate, and serial body weight provide continuous trend data without specialised equipment. Urine output can be estimated from cage-soiling patterns or measured with a urinary catheter and closed collection system. A Doppler ultrasound probe, if present, offers a reliable systolic blood pressure estimate and is often the first device to add to a basic kit. Direct arterial pressure measurement requires more technical skill but provides continuous data when oscillometry fails in small or vasoconstricted patients. The AAHA and AAFP fluid therapy guidelines emphasize that monitoring frequency matters more than monitor sophistication, and that serial assessments of the same parameter by the same observer reduce variability.

How should monitoring plans differ between dogs, cats, and exotic species?

Cats require particular attention to stress-induced changes in heart rate, blood pressure, and respiratory pattern, so minimizing handling and allowing acclimatisation periods improves data quality. Oscillometric blood pressure cuffs must be sized appropriately for the appendage, and Doppler ultrasound is often more reliable in cats than oscillometry. In exotic species, reference intervals for vital parameters differ substantially, and equipment designed for small animal patients may not be suitable. Body temperature targets vary by species, and hypothermia is poorly tolerated in avian and neonatal patients. The MSD Veterinary Manual provides species-specific reference ranges and handling guidance that should be reviewed before designing a monitoring protocol for non-domestic species. For production animals, restraint options and facility layout influence which monitors are practical, and remote observation may substitute for continuous electronic monitoring in some settings.

What documentation is recommended for monitoring data in the ICU?

A flowsheet that records each parameter at consistent time intervals is the standard approach. Include the monitoring method used, cuff size and site for blood pressure, probe site for pulse oximetry, and any artefacts or interruptions in data collection. Trends matter more than isolated values, so record every measurement instead of only abnormal ones. Note interventions and patient responses in the same timeline. The American Veterinary Medical Association practice resources highlight that medical records must support clinical decisions and communication between shifts. Electronic records with automatic data capture reduce transcription errors, but manual entries should be timestamped and legible. Review the flowsheet at each handover and flag parameters that are trending away from baseline.

How do I explain monitoring costs and value to a client?

Frame monitoring as a diagnostic tool that guides treatment decisions and reduces the risk of unrecognised deterioration. Explain that continuous monitoring detects problems earlier, when interventions are less invasive and less expensive. Provide a clear estimate of monitoring charges and distinguish between essential and optional parameters. For example, blood pressure and ECG may be essential in a hypotensive patient, while advanced ultrasound assessment may be optional. The RECOVER Initiative guidelines demonstrate that early detection of cardiopulmonary arrest precursors improves outcomes, which supports the value of monitoring during high-risk periods. Be transparent about what monitoring cannot do, such as predicting sudden arrhythmic death, and discuss limitations honestly. Offer a tiered monitoring plan so clients can choose a level of surveillance that fits their budget.

When should I refer a patient for more advanced monitoring?

Referral is indicated when the patient requires monitoring capabilities that the practice cannot provide safely, such as mechanical ventilation with continuous capnography, invasive hemodynamic monitoring, or 24-hour direct observation. Patients with refractory hypotension, recurrent arrhythmias, or progressive respiratory failure exceed the capacity of most general practices. The ACVECC consensus guidelines on antithrombotics note that monitoring requirements for certain therapies, such as anticoagulant effect assessment, may exceed point-of-care capabilities. Stabilize the patient before transport, document all monitoring data, and communicate the monitoring plan to the receiving facility. Early referral, before decompensation, is associated with better outcomes and should be considered when the trajectory is worsening despite treatment.

How do I maintain and troubleshoot monitoring equipment between patients?

Daily checks of battery charge, cable integrity, and sensor function prevent equipment failure during emergencies. Calibrate blood pressure modules and capnographs according to manufacturer schedules, and verify pulse oximetry accuracy against a known reference. Clean reusable sensors according to infection control protocols, and inspect cuffs for leaks or stiffening. Store probes away from direct sunlight and extreme temperatures. The focused assessment with sonography for trauma literature emphasizes that operator skill and equipment maintenance determine diagnostic reliability, a principle that applies to all monitoring devices. Keep spare batteries, bulbs for Doppler probes, and common sensor types in stock. When a device malfunctions, replace it instead of relying on a questionable reading, and document the failure so patterns can be identified.

Related Clinical & Scientific Guides

• Toxicology in Emergency Practice: Common Poisons and Diagnostic Approach
• Veterinary Cardiopulmonary Resuscitation: Post-Cardiac Arrest Care
• Fluid Therapy Guidelines for Dogs and Cats: A Practical Update

References and Further Reading

• Abdominal and thoracic focused assessment with sonography for trauma, triage, and monitoring in small animals.. 2011.
• American College of Veterinary Emergency and Critical Care (ACVECC) Consensus on the Rational Use of Antithrombotics in Veterinary Critical Care (CURATIVE) guidelines: Small animal.. 2019.
• The endothelial glycocalyx: Structure and function in health and critical illness.. 2020.
• Controversies in the use of hydroxyethyl starch solutions in small animal emergency and critical care.. 2015.
• Mechanisms of injury and emergency care of acute spinal cord injury in dogs and cats.. 2012.
• The immune response to anesthesia: part 2 sedatives, opioids, and injectable anesthetic agents.. 2014.
• RECOVER Initiative Veterinary CPR Guidelines. Veterinary Emergency and Critical Care Society.
• AAHA/AAFP Fluid Therapy Guidelines for Dogs and Cats. AAHA.
• MSD Veterinary Manual, Professional Edition. MSD Veterinary Manual.

Related Articles

• Veterinary Emergency and Critical Care: Advanced Monitoring Techniques
• Capnography in Veterinary Emergency and Critical Care
• Veterinary Electrocardiography in Emergency and Critical Care
• Central Venous Pressure Monitoring in Veterinary Critical Care
• Veterinary Emergency and Critical Care: Core Competencies and Training Pathways

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.