Podcast
Questions and Answers
What are three potential postoperative complication associated with bilateral neck dissection?
What are three potential postoperative complication associated with bilateral neck dissection?
- Increased airway resistance leading to dyspnea
- Loss of hypoxic drive due to denervation of carotid elements (correct)
- Hypotension (correct)
- Hypocalcemia due to unintentional removal of PTH glands (correct)
Which position is typically recommended for a patient undergoing laryngectomy during surgery?
Which position is typically recommended for a patient undergoing laryngectomy during surgery?
- Trendelenburg position with legs elevated
- Supine position with arms tucked and head elevated (correct)
- Prone position with lateral tilt
- Supine position with arms extended
What is a primary goal during the preoperative assessment for patients undergoing major head and neck surgeries?
What is a primary goal during the preoperative assessment for patients undergoing major head and neck surgeries?
- Evaluating renal function for postoperative recovery
- Assessing airway patency and nerve functionality (correct)
- Establishing the patient's alcohol consumption history
- Identifying previous surgical experiences
Which cranial nerve is responsible for the innervation of the lateral rectus muscle?
Which cranial nerve is responsible for the innervation of the lateral rectus muscle?
What is the function of the optic nerve in relation to the eye?
What is the function of the optic nerve in relation to the eye?
In the context of the oculocardiac reflex, what is the afferent limb?
In the context of the oculocardiac reflex, what is the afferent limb?
What are the contributing causes to the oculocardiac reflex phenomenon?
What are the contributing causes to the oculocardiac reflex phenomenon?
Which cranial nerve is responsible for motor innervation of the orbicularis oculi muscle, allowing for eye closure?
Which cranial nerve is responsible for motor innervation of the orbicularis oculi muscle, allowing for eye closure?
What are the actions to take before a surgeon performs a tracheal transection? select 3
What are the actions to take before a surgeon performs a tracheal transection? select 3
Which type of laryngectomy involves the removal of both true and false cords along with the epiglottis, cricoid cartilage, and 2-3 tracheal rings?
Which type of laryngectomy involves the removal of both true and false cords along with the epiglottis, cricoid cartilage, and 2-3 tracheal rings?
What are the complications associated with tracheostomy placement? select all that apply
What are the complications associated with tracheostomy placement? select all that apply
In the case of a tracheostomy management, what is the correct approach if ventilation is difficult?
In the case of a tracheostomy management, what is the correct approach if ventilation is difficult?
Which statement is true regarding the surgical procedure stapedotomy?
Which statement is true regarding the surgical procedure stapedotomy?
What is important to remember regarding nasal instrumentation with Le Fort fractures?
What is important to remember regarding nasal instrumentation with Le Fort fractures?
What is the expected outcome of a partial laryngectomy?
What is the expected outcome of a partial laryngectomy?
What characterizes the NIM tube during intraoperative procedures?
What characterizes the NIM tube during intraoperative procedures?
Which ventilation technique involves high psi (60) and can be performed supraglottic, transtracheal, or via bronchoscope ?
Which ventilation technique involves high psi (60) and can be performed supraglottic, transtracheal, or via bronchoscope ?
What are the risks associated with using reinforced/armored tubes?
What are the risks associated with using reinforced/armored tubes?
What is one disadvantage of using the intermittent apnea technique for ventilation?
What is one disadvantage of using the intermittent apnea technique for ventilation?
Which type of airway device is not intended for patients who remain intubated postoperatively? select 2
Which type of airway device is not intended for patients who remain intubated postoperatively? select 2
What is the role of throat packs during a surgical procedure?
What is the role of throat packs during a surgical procedure?
What is one advantage of using THRIVE in airway management?
What is one advantage of using THRIVE in airway management?
Which ventilation method uses alternating periods of ventilation and apnea coordinated with surgical work?
Which ventilation method uses alternating periods of ventilation and apnea coordinated with surgical work?
What is the primary reason to postpone the ear tube procedure or tonsillectomy?
What is the primary reason to postpone the ear tube procedure or tonsillectomy?
What are the key preoperative evaluations for patients undergoing tonsillectomy and adenoidectomy?
What are the key preoperative evaluations for patients undergoing tonsillectomy and adenoidectomy?
In pediatric patients undergoing tonsillectomy, what is the recommended method for induction?
In pediatric patients undergoing tonsillectomy, what is the recommended method for induction?
Which is a risk factor for post-tonsillectomy hemorrhage? select 3
Which is a risk factor for post-tonsillectomy hemorrhage? select 3
What is the primary concern when recognizing bilateral recurrent laryngeal nerve injury after thyroidectomy?
What is the primary concern when recognizing bilateral recurrent laryngeal nerve injury after thyroidectomy?
What is advised regarding the use of sedatives before an ear tube procedure?
What is advised regarding the use of sedatives before an ear tube procedure?
Why is the 'Rule of 10' significant for cleft palate and cleft lip surgical repair? select 2
Why is the 'Rule of 10' significant for cleft palate and cleft lip surgical repair? select 2
Which sign is indicative of acute hypocalcemia during parathyroidectomy?
Which sign is indicative of acute hypocalcemia during parathyroidectomy?
What should be done during closing of a tonsillectomy to prevent regurgitation of stomach contents?
What should be done during closing of a tonsillectomy to prevent regurgitation of stomach contents?
What is the recommended anesthetic management for patients undergoing parathyroidectomy?
What is the recommended anesthetic management for patients undergoing parathyroidectomy?
What is the primary method to manage bradycardia during pediatric strabismus repair?
What is the primary method to manage bradycardia during pediatric strabismus repair?
Which factors directly contribute to an increase in intraocular pressure (IOP)? select all that apply
Which factors directly contribute to an increase in intraocular pressure (IOP)? select all that apply
What is the normal range for intraocular pressure (IOP) measured in mmHg?
What is the normal range for intraocular pressure (IOP) measured in mmHg?
Which type of glaucoma medication can cause systemic hypertension?
Which type of glaucoma medication can cause systemic hypertension?
Which of the following agents is known to increase intraocular pressure shortly after administration?
Which of the following agents is known to increase intraocular pressure shortly after administration?
What is the primary action of alpha-2 agonists utilized in glaucoma management?
What is the primary action of alpha-2 agonists utilized in glaucoma management?
What is the purpose of permissive hypotension (MAP 20% below baseline) during surgery, and what additional piece of equipment is required as part of your setup?
What is the purpose of permissive hypotension (MAP 20% below baseline) during surgery, and what additional piece of equipment is required as part of your setup?
Match each specialty ETT with its proper use/description:
Match each specialty ETT with its proper use/description:
What is the purpose of antisialagogues akak anticholinergics?
What is the purpose of antisialagogues akak anticholinergics?
What quaternary amine anticholinergic is noted for its longer duration of action and does not cross the blood-brain barrier (BBB)?
What quaternary amine anticholinergic is noted for its longer duration of action and does not cross the blood-brain barrier (BBB)?
What are the benefits of corticosteroids in ENT procedures? (Select all that apply)
What are the benefits of corticosteroids in ENT procedures? (Select all that apply)
What is a benefit of LMA (Laryngeal Mask Airway) use during ENT procedures? (Select all that apply)
What is a benefit of LMA (Laryngeal Mask Airway) use during ENT procedures? (Select all that apply)
How is tracheal gas insufflation performed?
How is tracheal gas insufflation performed?
What is a disadvantage of jet ventilation?
What is a disadvantage of jet ventilation?
What are the characteristics of lasers? (Select all that apply)
What are the characteristics of lasers? (Select all that apply)
What characteristic of lasers is determined by the medium used?
What characteristic of lasers is determined by the medium used?
What is the relationship between wavelength and water absorption in lasers?
What is the relationship between wavelength and water absorption in lasers?
What is the relationship between wavelength and tissue penetration in lasers?
What is the relationship between wavelength and tissue penetration in lasers?
Which of the following are examples of mediums used in laser surgery? (Select all that apply)
Which of the following are examples of mediums used in laser surgery? (Select all that apply)
What type of laser is used in surgeries around the larynx due to its shallow depth of penetration and precision?
What type of laser is used in surgeries around the larynx due to its shallow depth of penetration and precision?
What type of laser is commonly used for nasal surgery and tonsillectomies?
What type of laser is commonly used for nasal surgery and tonsillectomies?
What is the minimum prep solutions should dry to prevent fire?
What is the minimum prep solutions should dry to prevent fire?
What is the triad of fire in the OR?
What is the triad of fire in the OR?
What adaptations are appropriate for high fire risk procedures? (Select 2)
What adaptations are appropriate for high fire risk procedures? (Select 2)
Why can N2O be used in BMT procedures?
Why can N2O be used in BMT procedures?
When does postoperative bleeding typically occur after a tonsillectomy and adenoidectomy (T&A)?
When does postoperative bleeding typically occur after a tonsillectomy and adenoidectomy (T&A)?
What is the most common pediatric airway emergency?
What is the most common pediatric airway emergency?
When should an orogastric tube (OGT) be placed when managing a post-tonsillectomy hemorrhage?
When should an orogastric tube (OGT) be placed when managing a post-tonsillectomy hemorrhage?
What does STUBR stand for in the context of sleep disordered breathing assessment?
What does STUBR stand for in the context of sleep disordered breathing assessment?
What is contraindicated in cleft lip procedures during emergence?
What is contraindicated in cleft lip procedures during emergence?
Which two nerves associated with breathing lie close to the lateral lobes of the thyroid gland?
Which two nerves associated with breathing lie close to the lateral lobes of the thyroid gland?
What medications should be taken to optimize a patient with hyperthyroidism? (Select all that apply)
What medications should be taken to optimize a patient with hyperthyroidism? (Select all that apply)
A patient undergoing a thyroidectomy is hypotensive. What type of medication should be administered?
A patient undergoing a thyroidectomy is hypotensive. What type of medication should be administered?
What postoperative complications are associated with thyroidectomies? (Select all that apply)
What postoperative complications are associated with thyroidectomies? (Select all that apply)
What is the expected outcome of a unilateral recurrent laryngeal nerve (RLN) injury?
What is the expected outcome of a unilateral recurrent laryngeal nerve (RLN) injury?
What is the expected outcome of an injury to the external branch of the superior laryngeal nerve (SLN)?
What is the expected outcome of an injury to the external branch of the superior laryngeal nerve (SLN)?
How would a patient with hypocalcemia present? (Select all that apply)
How would a patient with hypocalcemia present? (Select all that apply)
What should be included in your preparation for a radical neck dissection? (Select all that apply)
What should be included in your preparation for a radical neck dissection? (Select all that apply)
What hormone increases calcium levels?
What hormone increases calcium levels?
During a radical neck dissection, a patient exhibits widening of blood pressure and heart rate variation despite minimal blood loss. What is the likely cause?
During a radical neck dissection, a patient exhibits widening of blood pressure and heart rate variation despite minimal blood loss. What is the likely cause?
What is the appropriate way to preoxygenate a patient during tracheostomy if a surgeon is using electrocautery to enter the trachea?
What is the appropriate way to preoxygenate a patient during tracheostomy if a surgeon is using electrocautery to enter the trachea?
A patient presents with signs and symptoms of hypocalcemia after undergoing a hemi-mandibulectomy. What is the likely cause?
A patient presents with signs and symptoms of hypocalcemia after undergoing a hemi-mandibulectomy. What is the likely cause?
What is required for a patient to ventilate independently after a laryngectomy?
What is required for a patient to ventilate independently after a laryngectomy?
What are the general implications of ear procedures? (Select all that apply)
What are the general implications of ear procedures? (Select all that apply)
What two nerves that branch off the trigeminal nerve provide tactile sensation to the nose?
What two nerves that branch off the trigeminal nerve provide tactile sensation to the nose?
What should be anticipated during sinus and nasal procedures? (Select all that apply)
What should be anticipated during sinus and nasal procedures? (Select all that apply)
What is the purpose of keeping one eye untapped during sinus surgery?
What is the purpose of keeping one eye untapped during sinus surgery?
What is the common site of foreign body aspiration?
What is the common site of foreign body aspiration?
Your patient aspirated while supine. Where is the most likely site of aspiration?
Your patient aspirated while supine. Where is the most likely site of aspiration?
Your patient aspirated while standing. What is the most likely site of aspiration?
Your patient aspirated while standing. What is the most likely site of aspiration?
What can make mask ventilation difficult or impossible after cleft palate surgery? select all that apply
What can make mask ventilation difficult or impossible after cleft palate surgery? select all that apply
What area of the eye contains no blood vessels and is sensitive to pain?
What area of the eye contains no blood vessels and is sensitive to pain?
LR6, SO4, R3 = Lateral rectus is CN 6, superior oblique is CN4, rest are all CN3
LR6, SO4, R3 = Lateral rectus is CN 6, superior oblique is CN4, rest are all CN3
Where are rods and cones located in the eye?
Where are rods and cones located in the eye?
What nerve is responsible for the dilation and constriction (miosis/mydriasis) of the pupil?
What nerve is responsible for the dilation and constriction (miosis/mydriasis) of the pupil?
What serves as the afferent branch of the corneal and lacrimation reflex?
What serves as the afferent branch of the corneal and lacrimation reflex?
What serves as the efferent limb of the oculocardiac reflex?
What serves as the efferent limb of the oculocardiac reflex?
Match the structure to its function:
Match the structure to its function:
Which two cranial nerves work together to change pupil size?
Which two cranial nerves work together to change pupil size?
What anesthetic agent should be avoided during surgical procedures involving lasers because it supports combustion?
What anesthetic agent should be avoided during surgical procedures involving lasers because it supports combustion?
What anesthetic technique is preferred for use during High-Frequency Jet Ventilation (HFJV)?
What anesthetic technique is preferred for use during High-Frequency Jet Ventilation (HFJV)?
Which anesthetic technique is appropriate for foreign body aspiration below the larynx?
Which anesthetic technique is appropriate for foreign body aspiration below the larynx?
Which anesthetic technique is appropriate for foreign body aspiration above the larynx?
Which anesthetic technique is appropriate for foreign body aspiration above the larynx?
What is necessary prior to the insertion of a rigid bronchoscope?
What is necessary prior to the insertion of a rigid bronchoscope?
How is oxygen and inhalation agent delivery achieved during a rigid bronchoscopy?
How is oxygen and inhalation agent delivery achieved during a rigid bronchoscopy?
Which of the following endotracheal tubes (ETT) would be most appropriate for a dental procedure?
Which of the following endotracheal tubes (ETT) would be most appropriate for a dental procedure?
What complication is most common in pediatric strabismus repair?
What complication is most common in pediatric strabismus repair?
What is intraocular pressure determined by?
What is intraocular pressure determined by?
Where is aqueous humor produced?
Where is aqueous humor produced?
Where does aqueous humor enter and exit in the eye?
Where does aqueous humor enter and exit in the eye?
What is the Goldman equation as it relates to intraocular pressure (IOP)?
What is the Goldman equation as it relates to intraocular pressure (IOP)?
What is the normal intraocular pressure (IOP)?
What is the normal intraocular pressure (IOP)?
What is the effect of succinylcholine on intraocular pressure (IOP)?
What is the effect of succinylcholine on intraocular pressure (IOP)?
What is the effect of non-depolarizing neuromuscular blocking drugs (NDNMBDs) on intraocular pressure (IOP)? select 2
What is the effect of non-depolarizing neuromuscular blocking drugs (NDNMBDs) on intraocular pressure (IOP)? select 2
Which of the following agents can reduce intraocular pressure (IOP)? select all that apply
Which of the following agents can reduce intraocular pressure (IOP)? select all that apply
What movement is controlled by the lateral rectus muscle and which CN is it innervated by?
What movement is controlled by the lateral rectus muscle and which CN is it innervated by?
What movement is controlled by the superior oblique muscle and which cranial nerve (CN) innervates it?
What movement is controlled by the superior oblique muscle and which cranial nerve (CN) innervates it?
What cranial nerve provides motor innervation to most of the extraocular muscles?
What cranial nerve provides motor innervation to most of the extraocular muscles?
What are the two most common complications after thyroid surgery?
What are the two most common complications after thyroid surgery?
Which nerve is most commonly injured during thyroid surgery?
Which nerve is most commonly injured during thyroid surgery?
Hypoparathyroidism secondary to the inadvertent surgical resection of the parathyroid glands during total thyroidectomy typically results in airway symptoms of hypocalcemia how many hours postoperatively?
Hypoparathyroidism secondary to the inadvertent surgical resection of the parathyroid glands during total thyroidectomy typically results in airway symptoms of hypocalcemia how many hours postoperatively?
Of the following medical lasers, which laser light penetrates tissues the most?
Of the following medical lasers, which laser light penetrates tissues the most?
Flashcards
MLT (Micro Laryngeal Tube)
MLT (Micro Laryngeal Tube)
A smaller diameter, longer length endotracheal tube with adult-sized cuff located further from the tube tip. Available in sizes 4, 5, and 6.
Preformed RAE Tubes
Preformed RAE Tubes
Endotracheal tubes with a pre-formed bend and no stylet for placement. Available in oral (south facing) and nasal (north facing) varieties.
Reinforced/Armored Tubes
Reinforced/Armored Tubes
Endotracheal tubes with an embedded coil for stability, providing increased flexibility and resistance to kinking. Not for post-op intubation due to occlusion risk with biting.
NIM Tube (Neuromuscular Intubation Monitoring)
NIM Tube (Neuromuscular Intubation Monitoring)
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Laser Tubes
Laser Tubes
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LMA (Laryngeal Mask Airway)
LMA (Laryngeal Mask Airway)
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Intermittent Apnea
Intermittent Apnea
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Tracheal Gas Insufflation
Tracheal Gas Insufflation
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Jet Ventilation
Jet Ventilation
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THRIVE (Transnasal Humidified Rapid-Insufflation Ventilatory Exchange)
THRIVE (Transnasal Humidified Rapid-Insufflation Ventilatory Exchange)
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Laryngectomy
Laryngectomy
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Glossectomy
Glossectomy
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Pharyngectomy
Pharyngectomy
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Hemi Mandibulectomy
Hemi Mandibulectomy
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Radical Neck Dissection
Radical Neck Dissection
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Oculocardiac reflex
Oculocardiac reflex
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Trigeminal nerve (CN V)
Trigeminal nerve (CN V)
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Vagus nerve (CN X)
Vagus nerve (CN X)
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Orbicularis oculi
Orbicularis oculi
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Facial nerve (CN VII)
Facial nerve (CN VII)
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What are ear tubes?
What are ear tubes?
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What is a key pre-operative consideration for ear tube insertion?
What is a key pre-operative consideration for ear tube insertion?
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How is ear tube insertion typically performed?
How is ear tube insertion typically performed?
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What is a tonsillectomy and adenoidectomy?
What is a tonsillectomy and adenoidectomy?
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How is anesthesia typically managed in children for tonsillectomy and adenoidectomy?
How is anesthesia typically managed in children for tonsillectomy and adenoidectomy?
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What is a post-tonsillectomy hemorrhage?
What is a post-tonsillectomy hemorrhage?
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What is a cleft palate and cleft lip repair?
What is a cleft palate and cleft lip repair?
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What is the thyroid gland?
What is the thyroid gland?
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What is a thyroidectomy?
What is a thyroidectomy?
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What is a parathyroidectomy?
What is a parathyroidectomy?
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Stapedotomy
Stapedotomy
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Tympanoplasty
Tympanoplasty
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Mastoidectomy
Mastoidectomy
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Le Fort 1 Fracture
Le Fort 1 Fracture
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Le Fort 2 Fracture
Le Fort 2 Fracture
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Le Fort 3 Fracture
Le Fort 3 Fracture
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Anterior Ethmoidal Nerve
Anterior Ethmoidal Nerve
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Sphenopalatine Nerve
Sphenopalatine Nerve
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Bradycardia
Bradycardia
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AV Block
AV Block
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PVCs
PVCs
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Idioventricular Rhythm
Idioventricular Rhythm
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Asystole
Asystole
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V Fib
V Fib
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Intraocular Pressure (IOP)
Intraocular Pressure (IOP)
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Glaucoma
Glaucoma
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Study Notes
ENT Anesthesia Special Considerations
- Shared airway with surgeon
- Position patient 90-180 degrees away from anesthesia
- Ensure endotracheal tube (ETT) secure after repositioning
- Monitor IV lines carefully
- Controlled/permissive hypotension, reducing MAP by 20% from baseline
- Monitor vital signs (UO, MAP, CPP, ABGs, cardiac perfusion)
Local Anesthetics
- Cocaine: anesthetic and vasoconstrictive, blocks NE and epi reuptake
- Lidocaine: rapid-acting, suitable for tracheobronchial tree
- Benzocaine: short duration, may cause methemoglobinemia (SPO2 near 85%)
- Bupivacaine: longer duration, intermediate potency
- Mepivacaine: rapid-acting, moderate potency
Anticholinergics
- Atropine/Scopolamine/Glycopyrrolate: decrease secretions and reduce tachycardia; scopolamine more effective for PONV
Corticosteroids
- Decrease laryngeal edema and PONV
- Prolong analgesic effects of local anesthetics
Vasoactive Drugs
- Used to minimize blood loss and optimize visualization
Use of Specialty Glasses and Cover OR Windows
- Prevent fire by minimizing FiO2 and avoiding nitrous oxide
- Ensure laser-resistant and well-sealed endotracheal tubes (ETT)
- Limit laser intensity and duration
- Utilize saline-soaked pledgets in the airway
- Allow prep solutions to dry for 3 minutes
Surgical Fire
- Common fuels: hair, tissue, alcohol preps, dressings, drapes
- Assess for risk factors: surgery above xiphoid, open oxygen source, accessible ignition source
- Classify fire risk levels: 1 (low), 2 (low with potential to escalate), 3 (high)
Insufflation (Tracheal Gas Insufflation)
- Used in laryngeal procedures
- Smaller catheter through nasopharynx placed above laryngeal opening
- Can use side-arm channel of laryngoscope/bronchoscope for ventilation
- Delivers 60 PSI inhalation, passive exhalation
- Avoid air trapping, barotrauma, and hypercarbia
Airway Management - Ventilation
- Different types (jet)
- Use in spontaneously breathing or apneic pts
BMT (Bilateral Myringotomy Tubes)
- Performed for chronic otitis media, frequent URI
- Ultrashort procedure
- No IV, always have airway equipment available
Thyroid Procedures
- Preop eval for airway and thyroid hormone levels
- Monitor thyroid meds and beta-blockers
- Supine position, HOB elevated 30 degrees, neck extended
- Monitor for hypocalcemia (can be an emergency)
Tracheostomy
- Preoxygenate unless electrocautery is used
- Deflate ETT before tracheal transection
- Ensure proper placement and ventilation
Laryngectomy
- Removal of hyoid bone, entire larynx, cricoid cartilage, 2-3 tracheal rings
- Requires tracheostomy for post-operative ventilation
Procedures that can be performed due to HPV or need for nerve monitoring
- Lengthy procedure with risk of blood loss
- Supine position, arms tucked, HOB elevated
- Moderate controlled hypotension
- Minimize vasoconstrictors/dilators
- Monitor for hypocalcemia
Ear Procedures - General Notes
- Stapedotomy
- Tympanoplasty
- Mastoidectomy
- Cochlear implant
Facial Trauma - Le Fort Classifications
- No nasal instrumentation for Le Fort 2 and 3 procedures
- Planning for planned intermaxillary fixation or tracheostomy needed
Sinus & Nasal Procedures
- Assess for difficulty with mask ventilation
- Reinforced/RAE ETT
- Ensure adequate muscle relaxation due to proximity to brain and eye
Miscellaneous Procedures
-
Preparing for emergency cricothyroidotomy/tracheostomy
-
Preparing for ophthalmic surgeries
-
Ophthalmic structures and innervations
-
Ocular diseases.
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