Podcast
Questions and Answers
What does an increased ETCO2 level generally indicate?
What does an increased ETCO2 level generally indicate?
Hypothermia is indicated by an increased ETCO2 level.
Hypothermia is indicated by an increased ETCO2 level.
False (B)
What is the golden standard for direct blood pressure analysis?
What is the golden standard for direct blood pressure analysis?
Sterile catheter injected into peripheral artery
In dogs, a systolic blood pressure greater than ______ mmHg is considered normal.
In dogs, a systolic blood pressure greater than ______ mmHg is considered normal.
Signup and view all the answers
Match the following terms with their definitions:
Match the following terms with their definitions:
Signup and view all the answers
Which of the following conditions may cause falsely high CO readings?
Which of the following conditions may cause falsely high CO readings?
Signup and view all the answers
What is the normal range for mean arterial pressure (MAP) in dogs?
What is the normal range for mean arterial pressure (MAP) in dogs?
Signup and view all the answers
Which type of oxygen cylinder is commonly used?
Which type of oxygen cylinder is commonly used?
Signup and view all the answers
A closed pop-off valve can cause a patient's alveoli to burst.
A closed pop-off valve can cause a patient's alveoli to burst.
Signup and view all the answers
What is the primary function of an oxygen concentrator?
What is the primary function of an oxygen concentrator?
Signup and view all the answers
The vaporizer setting should not be set too _____ to ensure patient safety.
The vaporizer setting should not be set too _____ to ensure patient safety.
Signup and view all the answers
Which color represents Isoflurane in vaporizers?
Which color represents Isoflurane in vaporizers?
Signup and view all the answers
Cryogenic liquid oxygen containers are less expensive and commonly used in smaller clinics.
Cryogenic liquid oxygen containers are less expensive and commonly used in smaller clinics.
Signup and view all the answers
What is the first step in performing a machine leak test on an anesthesia machine?
What is the first step in performing a machine leak test on an anesthesia machine?
Signup and view all the answers
What is the primary difference between local anesthesia and general anesthesia?
What is the primary difference between local anesthesia and general anesthesia?
Signup and view all the answers
The fresh gas inlet delivers a mixture of gases and _____ from the anesthesia machine.
The fresh gas inlet delivers a mixture of gases and _____ from the anesthesia machine.
Signup and view all the answers
Match the following anesthetic agents with their corresponding colors in vaporizers:
Match the following anesthetic agents with their corresponding colors in vaporizers:
Signup and view all the answers
Sedation involves the patient being fully unconscious.
Sedation involves the patient being fully unconscious.
Signup and view all the answers
What does pharmacokinetics study?
What does pharmacokinetics study?
Signup and view all the answers
What is the maximum oxygen titration if a leak is detected during the machine leak test?
What is the maximum oxygen titration if a leak is detected during the machine leak test?
Signup and view all the answers
The combination of a sedative/tranquilizer with an opioid is referred to as __________.
The combination of a sedative/tranquilizer with an opioid is referred to as __________.
Signup and view all the answers
Match the type of drug with its appropriate description:
Match the type of drug with its appropriate description:
Signup and view all the answers
What factors are included in a patient evaluation prior to anesthesia?
What factors are included in a patient evaluation prior to anesthesia?
Signup and view all the answers
The veterinarian should document the entire conversation with the client after the patient evaluation.
The veterinarian should document the entire conversation with the client after the patient evaluation.
Signup and view all the answers
Converting a percentage to mg/ml involves moving the decimal place to the __________.
Converting a percentage to mg/ml involves moving the decimal place to the __________.
Signup and view all the answers
What is the main purpose of the Murphy design in an endotracheal (ET) tube?
What is the main purpose of the Murphy design in an endotracheal (ET) tube?
Signup and view all the answers
Cuff inflation should allow for some escape of gas during manual breaths.
Cuff inflation should allow for some escape of gas during manual breaths.
Signup and view all the answers
What is the recommended oxygen flow rate during anesthesia maintenance?
What is the recommended oxygen flow rate during anesthesia maintenance?
Signup and view all the answers
The _____ is a light source used for airway visualization placed under the epiglottis.
The _____ is a light source used for airway visualization placed under the epiglottis.
Signup and view all the answers
Match the stages of anesthesia with their characteristics:
Match the stages of anesthesia with their characteristics:
Signup and view all the answers
Which of the following are factors that may affect patient monitoring depth during anesthesia? (Select all that apply)
Which of the following are factors that may affect patient monitoring depth during anesthesia? (Select all that apply)
Signup and view all the answers
The palpebral reflex is commonly used to assess anesthesia depth, as it does not risk injury to the eye.
The palpebral reflex is commonly used to assess anesthesia depth, as it does not risk injury to the eye.
Signup and view all the answers
What is considered the 'danger zone' of anesthesia?
What is considered the 'danger zone' of anesthesia?
Signup and view all the answers
In the case where there is air but no gas exchange, it is referred to as _____ space.
In the case where there is air but no gas exchange, it is referred to as _____ space.
Signup and view all the answers
Which type of ET tube is commonly used and has a safety feature to prevent occlusion?
Which type of ET tube is commonly used and has a safety feature to prevent occlusion?
Signup and view all the answers
At what pressure should an oxygen cylinder be changed?
At what pressure should an oxygen cylinder be changed?
Signup and view all the answers
The non-rebreathing system is preferred for larger pets.
The non-rebreathing system is preferred for larger pets.
Signup and view all the answers
What is the formula to calculate the reservoir bag volume based on body weight (BW)?
What is the formula to calculate the reservoir bag volume based on body weight (BW)?
Signup and view all the answers
The _____ system uses a CO2 absorption canister to prevent rebreathing.
The _____ system uses a CO2 absorption canister to prevent rebreathing.
Signup and view all the answers
Which of the following is a disadvantage of the rebreathing system?
Which of the following is a disadvantage of the rebreathing system?
Signup and view all the answers
Match the scavenging systems with their characteristics:
Match the scavenging systems with their characteristics:
Signup and view all the answers
Chemical absorption in the rebreathing system prevents the rebreathing of oxygen.
Chemical absorption in the rebreathing system prevents the rebreathing of oxygen.
Signup and view all the answers
What are the two types of breathing systems in anesthesia?
What are the two types of breathing systems in anesthesia?
Signup and view all the answers
Manual ventilation is performed by squeezing the reservoir bag and temporarily occluding the _____ valve.
Manual ventilation is performed by squeezing the reservoir bag and temporarily occluding the _____ valve.
Signup and view all the answers
What is the primary concern if the anesthesia machine and breathing system are not checked properly?
What is the primary concern if the anesthesia machine and breathing system are not checked properly?
Signup and view all the answers
A closed pop-off valve can lead to lung collapse by preventing oxygen from being removed from the alveoli.
A closed pop-off valve can lead to lung collapse by preventing oxygen from being removed from the alveoli.
Signup and view all the answers
The ______ is a safety feature that prevents the pop-off valve from closing completely, ensuring oxygen can always flow out of the system.
The ______ is a safety feature that prevents the pop-off valve from closing completely, ensuring oxygen can always flow out of the system.
Signup and view all the answers
What is the main concern if the anesthesia machine and the breathing system are not properly checked?
What is the main concern if the anesthesia machine and the breathing system are not properly checked?
Signup and view all the answers
The rebreathing system is preferred for smaller pets.
The rebreathing system is preferred for smaller pets.
Signup and view all the answers
Which of the following is NOT a factor that could lead to patient death if used improperly on an anesthesia machine?
Which of the following is NOT a factor that could lead to patient death if used improperly on an anesthesia machine?
Signup and view all the answers
What is the maximum oxygen flow rate you should titrate to if a leak is detected during the machine leak test?
What is the maximum oxygen flow rate you should titrate to if a leak is detected during the machine leak test?
Signup and view all the answers
During the machine leak test, the pressure gauge should be observed for ______ seconds to check for any pressure drop indicating a leak.
During the machine leak test, the pressure gauge should be observed for ______ seconds to check for any pressure drop indicating a leak.
Signup and view all the answers
What is the purpose of the vaporizer?
What is the purpose of the vaporizer?
Signup and view all the answers
Which of the following is NOT a sign of adequate anesthetic depth?
Which of the following is NOT a sign of adequate anesthetic depth?
Signup and view all the answers
The Bispectral Index (BI) is primarily used in veterinary medicine to assess anesthetic depth.
The Bispectral Index (BI) is primarily used in veterinary medicine to assess anesthetic depth.
Signup and view all the answers
What are two reasons why monitoring anesthetized patients is crucial?
What are two reasons why monitoring anesthetized patients is crucial?
Signup and view all the answers
A ______ stethoscope is used to listen to the patient's heart and lung sounds during anesthesia.
A ______ stethoscope is used to listen to the patient's heart and lung sounds during anesthesia.
Signup and view all the answers
Match the following monitoring techniques with their corresponding descriptions:
Match the following monitoring techniques with their corresponding descriptions:
Signup and view all the answers
Which monitoring parameters can be affected by cuff size?
Which monitoring parameters can be affected by cuff size?
Signup and view all the answers
White tape should be used to secure the cuff for noninvasive blood pressure measurements.
White tape should be used to secure the cuff for noninvasive blood pressure measurements.
Signup and view all the answers
What are two factors that can affect the accuracy of pulse oximetry readings?
What are two factors that can affect the accuracy of pulse oximetry readings?
Signup and view all the answers
A BI value of 60 indicates ______ under anesthesia.
A BI value of 60 indicates ______ under anesthesia.
Signup and view all the answers
Which of the following is a common complication associated with anesthesia?
Which of the following is a common complication associated with anesthesia?
Signup and view all the answers
A decreased ETCO2 level can indicate hyperventilation.
A decreased ETCO2 level can indicate hyperventilation.
Signup and view all the answers
Which of the following conditions can lead to a falsely high ETCO2 reading?
Which of the following conditions can lead to a falsely high ETCO2 reading?
Signup and view all the answers
The normal systolic blood pressure range for dogs is ______ mmHg.
The normal systolic blood pressure range for dogs is ______ mmHg.
Signup and view all the answers
Which of the following factors can affect the accuracy of oscillometric blood pressure readings?
Which of the following factors can affect the accuracy of oscillometric blood pressure readings?
Signup and view all the answers
Doppler blood pressure readings provide a more accurate estimation of MAP compared to systolic readings.
Doppler blood pressure readings provide a more accurate estimation of MAP compared to systolic readings.
Signup and view all the answers
Hypoventilation is associated with an ______ ETCO2 level.
Hypoventilation is associated with an ______ ETCO2 level.
Signup and view all the answers
What are some potential causes of decreased ETCO2 levels?
What are some potential causes of decreased ETCO2 levels?
Signup and view all the answers
Which of the following is NOT a common reason for an inaccurate oscillometric BP reading in a patient?
Which of the following is NOT a common reason for an inaccurate oscillometric BP reading in a patient?
Signup and view all the answers
The electrical activity of the heart can be measured using an electrocardiogram (ECG), even if the animal is dead.
The electrical activity of the heart can be measured using an electrocardiogram (ECG), even if the animal is dead.
Signup and view all the answers
Which of the following is NOT a common complication during anesthesia?
Which of the following is NOT a common complication during anesthesia?
Signup and view all the answers
The four most common issues with anesthesia are often referred to as the four ______.
The four most common issues with anesthesia are often referred to as the four ______.
Signup and view all the answers
Match the following vital signs with their normal ranges under anesthesia.
Match the following vital signs with their normal ranges under anesthesia.
Signup and view all the answers
What are the four mechanisms of heat loss?
What are the four mechanisms of heat loss?
Signup and view all the answers
Which two mechanisms of heat loss contribute the most to overall heat loss?
Which two mechanisms of heat loss contribute the most to overall heat loss?
Signup and view all the answers
Hyperthermia is always caused by a failure of thermoregulation.
Hyperthermia is always caused by a failure of thermoregulation.
Signup and view all the answers
Flashcards
Anesthesia
Anesthesia
Insensibility; loss of sensation in a body part or the whole body.
Analgesia
Analgesia
Absence of sensitivity to pain; not feeling pain anymore.
Sedation
Sedation
Depression of the CNS; the patient is calm but not fully unconscious.
Tranquilization
Tranquilization
Signup and view all the flashcards
Neuroleptanalgesia
Neuroleptanalgesia
Signup and view all the flashcards
Pharmacokinetics
Pharmacokinetics
Signup and view all the flashcards
Pharmacodynamics
Pharmacodynamics
Signup and view all the flashcards
Patient Evaluation
Patient Evaluation
Signup and view all the flashcards
Boyle's Law
Boyle's Law
Signup and view all the flashcards
Oxygen Cylinder Replacement Pressure
Oxygen Cylinder Replacement Pressure
Signup and view all the flashcards
Manual Ventilation Process
Manual Ventilation Process
Signup and view all the flashcards
Tidal Volume Calculation
Tidal Volume Calculation
Signup and view all the flashcards
Rebreathing System
Rebreathing System
Signup and view all the flashcards
Non-rebreathing System
Non-rebreathing System
Signup and view all the flashcards
Mapleson D and F
Mapleson D and F
Signup and view all the flashcards
Passive Scavenging System
Passive Scavenging System
Signup and view all the flashcards
Active Scavenging System
Active Scavenging System
Signup and view all the flashcards
Environmental Safety in Anesthesia
Environmental Safety in Anesthesia
Signup and view all the flashcards
Oxygen Cylinder (E cylinder)
Oxygen Cylinder (E cylinder)
Signup and view all the flashcards
Cryogenic Liquid Oxygen Containers
Cryogenic Liquid Oxygen Containers
Signup and view all the flashcards
Oxygen Concentrator
Oxygen Concentrator
Signup and view all the flashcards
Modern Vaporizers
Modern Vaporizers
Signup and view all the flashcards
Closed Pop-off Valve
Closed Pop-off Valve
Signup and view all the flashcards
Machine Leak Test Steps
Machine Leak Test Steps
Signup and view all the flashcards
APL Valve
APL Valve
Signup and view all the flashcards
Vaporizer Setting Importance
Vaporizer Setting Importance
Signup and view all the flashcards
Oxygen Remaining Calculation
Oxygen Remaining Calculation
Signup and view all the flashcards
Pressure Gauge Observation
Pressure Gauge Observation
Signup and view all the flashcards
End tidal CO2 (ETCO2)
End tidal CO2 (ETCO2)
Signup and view all the flashcards
Hypoventilation
Hypoventilation
Signup and view all the flashcards
Hyperventilation
Hyperventilation
Signup and view all the flashcards
MAP in dogs
MAP in dogs
Signup and view all the flashcards
Doppler BP
Doppler BP
Signup and view all the flashcards
Direct BP analysis
Direct BP analysis
Signup and view all the flashcards
Capnography
Capnography
Signup and view all the flashcards
Endotracheal Tube (ETT)
Endotracheal Tube (ETT)
Signup and view all the flashcards
Murphy's Eye
Murphy's Eye
Signup and view all the flashcards
Dead Space
Dead Space
Signup and view all the flashcards
Cuff Inflation Technique
Cuff Inflation Technique
Signup and view all the flashcards
Oxygen Flow Rate for Anesthesia
Oxygen Flow Rate for Anesthesia
Signup and view all the flashcards
Palpebral Reflex
Palpebral Reflex
Signup and view all the flashcards
Stages of Anesthesia
Stages of Anesthesia
Signup and view all the flashcards
Surgical Plane of Anesthesia
Surgical Plane of Anesthesia
Signup and view all the flashcards
Factors Affecting Anesthesia Monitoring
Factors Affecting Anesthesia Monitoring
Signup and view all the flashcards
Oxygen Cylinder Explosion Hazard
Oxygen Cylinder Explosion Hazard
Signup and view all the flashcards
Large Cryogenic Oxygen Containers
Large Cryogenic Oxygen Containers
Signup and view all the flashcards
Oxygen Concentrator Function
Oxygen Concentrator Function
Signup and view all the flashcards
Vaporizer Function
Vaporizer Function
Signup and view all the flashcards
Closed Pop-off Valve Risk
Closed Pop-off Valve Risk
Signup and view all the flashcards
Vaporizer Color Codes
Vaporizer Color Codes
Signup and view all the flashcards
Oxygen Calculation Basics
Oxygen Calculation Basics
Signup and view all the flashcards
Pressure Check Requirement
Pressure Check Requirement
Signup and view all the flashcards
Reservoir Bag Calculation
Reservoir Bag Calculation
Signup and view all the flashcards
Manual Ventilation Technique
Manual Ventilation Technique
Signup and view all the flashcards
Rebreathing System Pros
Rebreathing System Pros
Signup and view all the flashcards
Non-Rebreathing System Pros
Non-Rebreathing System Pros
Signup and view all the flashcards
Types of Scavenging Systems
Types of Scavenging Systems
Signup and view all the flashcards
Advantages of Active Systems
Advantages of Active Systems
Signup and view all the flashcards
Passive Scavenging Drawbacks
Passive Scavenging Drawbacks
Signup and view all the flashcards
Cylinder Size E
Cylinder Size E
Signup and view all the flashcards
Tidal Volume Standard
Tidal Volume Standard
Signup and view all the flashcards
Bispectral Index (BI)
Bispectral Index (BI)
Signup and view all the flashcards
Monitoring Anesthetized Patients
Monitoring Anesthetized Patients
Signup and view all the flashcards
Eye Position in Anesthesia
Eye Position in Anesthesia
Signup and view all the flashcards
Pulse Oximetry (SPO2)
Pulse Oximetry (SPO2)
Signup and view all the flashcards
Noninvasive Blood Pressure (BP)
Noninvasive Blood Pressure (BP)
Signup and view all the flashcards
Esophageal Stethoscope
Esophageal Stethoscope
Signup and view all the flashcards
Temperature Monitoring
Temperature Monitoring
Signup and view all the flashcards
Mean Arterial Pressure (MAP)
Mean Arterial Pressure (MAP)
Signup and view all the flashcards
Oscillometric Method
Oscillometric Method
Signup and view all the flashcards
ECG Measurement
ECG Measurement
Signup and view all the flashcards
P Wave
P Wave
Signup and view all the flashcards
Heat Loss Mechanism
Heat Loss Mechanism
Signup and view all the flashcards
Hypothermia Symptoms
Hypothermia Symptoms
Signup and view all the flashcards
Common Anesthesia Issues
Common Anesthesia Issues
Signup and view all the flashcards
Hyperthermia Causes
Hyperthermia Causes
Signup and view all the flashcards
Increased ETCO2
Increased ETCO2
Signup and view all the flashcards
Decreased ETCO2
Decreased ETCO2
Signup and view all the flashcards
Machine Leak Diagnosis
Machine Leak Diagnosis
Signup and view all the flashcards
Study Notes
Anesthesia Learning Objectives
- Anesthesia involves loss of sensation (in part or whole body)
- Local vs general anesthesia
- Analgesia is absence of pain sensation
- Sedation is CNS depression without unconsciousness
- Tranquilization involves relaxation while patient is aware
- Neuroleptanalgesia combines sedatives/tranquilizers and opioids.
- Pharmacycokinetics: study of how body affects drugs (metabolism, half-life)
- Pharmacodynamics: study of how drugs affect the body
Fluid Drip Rates
- 10 and 15 drops per mL for macro-drip sets (larger dogs)
- 60 drops per mL for micro-drip sets (cats, exotics, small dogs)
- 1 mg = 100 mcg (ug)
Lecture 2: Pre-anesthesia Patient Evaluation
- Veterinarian performs pre-anesthesia evaluation
- Evaluation includes signalment, history, physical exam, blood/urine samples, temperament assessment, pain, stress, and diagnostics.
- Labwork for healthy pets includes PCV, TS, Glucose, BUN (protein byproduct).
- Labwork for older/unhealthy pets includes CBC, chemistry, urinalysis.
When to Perform Pre-anesthesia Evaluation
- Day before procedure or up to one week before.
- To assess and analyze the procedure risk.
- Document all client conversations.
Pre-anesthesia Preparation
- Small Ruminants: withhold food (12-18 hours) and water (8-12 hours).
- Equine: withhold food (4-12 hours) and water (until pre-med).
- Cattle: withhold food (18-24 hrs) and water (12-18 hours)
- Rodents, Rabbits, Birds: No fasting.
- Feeding schedule adjustments depend on species.
Anesthetic Concerns
- Hypotension (low blood pressure)
- Hypoventilation (slow breathing)
- Hypothermia (low body temp)
- Hypoxemia (low oxygen levels)
- Dehydration (less than 5% dehydration = undetectable and could have significant health impact).
ASA Physical Status Scale
- Categories of patient surgical risk from very healthy to severe systemic disease.
- I: Normal, healthy
- II: Minor skin lesions, tumors, fractures, pregnancies, and obesity.
- III: Systemic diseases such as fever, anemia, and kidney issues.
Safety Mechanisms in Anesthesia
- Prevent use of wrong medical gas during oxygen flow.
- Oxygen = green, N2O = blue.
- PISS and DISS connections used to ensure correct gas flow.
- Safety mechanisms help prevents wrong gas usage.
Oxygen Sources in Veterinary Medicine
- Cylinders (E cylinder)
- Steel or aluminum commonly used
- Large liquid oxygen containers.
- Oxygen concentrators
Steps for Machine Leak Test
- Turn oxygen flow off
- Close APL valve (only if needed for machine leak testing).
- Occlude Y-piece at patient end, using an occlusion valve to pressurize to 30 cmH2O.
- Observe pressure gauge for 30 seconds.
- If no drop in pressure, open the APL valve, and remove the occlusion and titrate oxygen if a leak is detected.
Cylinder Size Calculation:
- Given psi and oxygen flow rate, calculate remaining oxygen (L) and the time.
- P1/V1 = P2/V2, Divide liters by psi to get same number.
Reservoir Bag Calculation
- Round up when calculating tidal volume.
- BW (kg) x tidal volume (mL/kg) x 5
Safety Concerns in Anesthesia Equipment
- Environmental pollution
- Patient becoming hypoxic/hypoxemic
- 2 types of breathing systems: Rebreathing (circle system) and Non-rebreathing systems.
Scavenging systems
- 2 types: Active (waste products removed actively) and passive (waste products are absorbed).
Types of ET Tubes
- Different sizes and types for different species (e.g., Murphy, Magill)--different features for different species.
Confirming ETT Placement Methods
- Capnography readings (CO2 levels)
- Auscultation of breath sounds bilaterally to ensure correct tube placement.
Hypothermia Treatment
- Avoiding antibiotics during Hypothermia as it's not the usual treatment.
- Active cooling with fluids, fans, covering to decrease body heat.
- Stopping cooling at 104 degrees to prevent rebound hypothermia.
IVF Maintenance Rates
- 40-60 ml/kg/day.
Anesthesia Planes:
- Stages to indicate patient levels of sedation through surgery.
- Specific signs, reactions, and measurements are described for each anesthetic plane.
- Monitoring patient response to anesthesia is crucial for maintaining patient safety during the surgical procedure.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Related Documents
Description
This quiz covers essential learning objectives related to anesthesia in veterinary medicine, including the differences between local and general anesthesia, as well as important pharmacological principles. You'll also explore fluid drip rates and the pre-anesthesia patient evaluation process. Test your knowledge on these crucial topics for veterinary practice.