Big Airway lecture pt 2
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Questions and Answers

Which of the following is a common indication for fiberoptic laryngoscopy?

  • Positioning of double-lumen tube and bronchial blocker
  • Administration of general anesthesia
  • Diagnosis of malfunction of a supraglottic airway device (correct)
  • Insertion of a nasogastric tube

What is the recommended technique for the intraoral approach to Glossopharyngeal Nerve block?

  • Aspirate air before injection (correct)
  • Use a 20-gauge needle for injection
  • Displace the hyoid bone towards the opposite side to be blocked
  • Inject 10 mL of local anesthetic into the tonsils

In which situation would the Bullard Rigid Indirect Laryngoscope be indicated?

  • Patient with limited neck movement and small mouth opening (correct)
  • Patient with full neck mobility and normal mouth opening
  • Patient with difficult upper airway due to obesity
  • Patient with anticipated difficult tracheal intubation

What does a diffuse glow on the Lighted Stylet indicate?

<p>Esophageal position (A)</p> Signup and view all the answers

When is percutaneous airway insertion deemed necessary?

<p>Only when noninvasive techniques fail to relieve 'cannot intubate, cannot ventilate' situation (A)</p> Signup and view all the answers

What is the purpose of the translaryngeal block?

<p>Anesthetizes below the vocal cords (C)</p> Signup and view all the answers

What does the Glidescope offer that makes it advantageous in certain patients?

<p>'Around a corner' visualization capability (C)</p> Signup and view all the answers

When might blind nasal intubation be used?

<p>'Cannot intubate, cannot ventilate' situation (B)</p> Signup and view all the answers

What is the main advantage of the Cook Catheter?

<p>'Exchange catheter' functionality (A)</p> Signup and view all the answers

What is a common complication associated with fiberoptic laryngoscopy?

<p>Arytenoid cartilage dislocation (B)</p> Signup and view all the answers

What is the primary goal of the sniffing position during laryngoscopy?

<p>To optimize the laryngeal and pharyngeal axes (D)</p> Signup and view all the answers

In the sniffing position for laryngoscopy, how is the patient's head positioned?

<p>Flexed on a pad and extended on the neck to align all axes (A)</p> Signup and view all the answers

What can be challenging when positioning obese patients in the sniffing position?

<p>Dealing with fat pad on the back, requiring patient 'ramping' (D)</p> Signup and view all the answers

What is a key consideration in preparing for extubation after laryngoscopy?

<p>Deep or awake extubation plan (B)</p> Signup and view all the answers

What are the criteria for extubation after a laryngoscopy procedure?

<p>Adequate oxygenation and ventilation, along with neurologic intactness (B)</p> Signup and view all the answers

What is the purpose of 'ramping' a patient during positioning for laryngoscopy?

<p>To address challenges posed by obesity (C)</p> Signup and view all the answers

Which position is considered controversial in its role in improving pharyngeal patency for patients with sleep apnea?

<p>'Head neutral' position with no alignment of axes (A)</p> Signup and view all the answers

What does the sniffing position aim to achieve when raising the patient's head?

<p>Align the oral and pharyngeal axes (D)</p> Signup and view all the answers

'Deep' or 'awake' extubation plan is an initial consideration before which phase?

<p>'Deep' or 'awake' extubation plan before actual extubation (B)</p> Signup and view all the answers

What is one of the challenges when positioning obese patients in the sniffing position?

<p>'Ramping' to address fat pad on back (A)</p> Signup and view all the answers

What is the purpose of the supraglottic airway devices?

<p>To seal the pharynx between the respiratory and digestive tracts (B)</p> Signup and view all the answers

Which LMA device has a gastric tube to decompress the stomach?

<p>LMA ProSeal (C)</p> Signup and view all the answers

What is an advantage of using supraglottic airway devices compared to endotracheal tubes?

<p>Less risk of gastric aspiration (B)</p> Signup and view all the answers

What is a relative contraindication for using supraglottic airway devices in the elective setting?

<p>Suspected or known abnormalities in supraglottic anatomy (D)</p> Signup and view all the answers

What should be done during insertion of a LMA according to the provided information?

<p>Insert the LMA into the mouth and advance, following the palate and posterior pharyngeal wall until resistance is met (B)</p> Signup and view all the answers

What is a potential complication associated with improper placement of a supraglottic airway device?

<p>Increased risk of aspiration (B)</p> Signup and view all the answers

What role does the Combitube play in airway management?

<p>Can function as either an endotracheal device or esophageal obturator (B)</p> Signup and view all the answers

What distinguishes the King Laryngeal Tube from other supraglottic airway devices?

<p>Specific anatomically shaped tube (B)</p> Signup and view all the answers

In Retrograde Intubation/ Seldinger Cricothyrotomy, what is a potential serious problem related to the technique?

<p>Kinking of the guidewire (A)</p> Signup and view all the answers

What is the primary purpose of Percutaneous Translaryngeal Jet Ventilation (PTJV)?

<p>To deliver tidal volume of air using a 14 gauge catheter (B)</p> Signup and view all the answers

Which condition is characterized by poorly developed or absent bridge of the nose, microcephaly, and cervical spine abnormalities?

<p>Meckel syndrome (B)</p> Signup and view all the answers

What is the primary respiratory challenge associated with Alpert syndrome?

<p>Stiff joints and upper airway obstruction (A)</p> Signup and view all the answers

What distinguishes Goldenhar syndrome from other conditions listed in the text?

<p>Auricular and ocular defects (A)</p> Signup and view all the answers

What is the key feature of Von Recklinghausen disease as highlighted in the text?

<p>Increased incidence of pheochromocytoma (C)</p> Signup and view all the answers

What is the primary anatomical abnormality associated with Cretinism?

<p>Macroglossia (C)</p> Signup and view all the answers

Which condition is known for muscle deposits leading to macroglossia?

<p>Pompe disease (B)</p> Signup and view all the answers

What is the main challenge associated with Meckel syndrome?

<p>Occipitalization of atlas and cervical spine abnormalities (C)</p> Signup and view all the answers

What is the distinguishing feature of Hunter syndrome from other conditions listed?

<p>Stiff joints and upper airway obstruction due to infiltration of lymphoid tissue (B)</p> Signup and view all the answers

Flashcards

Fiberoptic Laryngoscopy Indication

Used to assess vocal cords for issues like paralysis, masses, or inflammation.

Glossopharyngeal Nerve Block Technique

Injecting near the stylopharyngeal fold using anatomical landmarks.

Bullard Rigid Indirect Laryngoscope Indication

Used for difficult intubation, especially in limited mouth opening or cervical spine instability.

Lighted Stylet Signifies

A diffuse glow indicates the stylet is near the vocal cords.

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Percutaneous Airway Insertion When

Used when traditional intubation fails.

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Translaryngeal Block Purpose

Provides pain relief during procedures like bronchoscopy.

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Glidescope Advantage

Provides a wider airway view, important for limited mouth openings and complex cases.

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Blind Nasal Intubation Potential

May be used in emergencies for quick airway security when advanced methods aren't available.

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Cook Catheter Advantage

Gentle airway passage, reducing trauma risk.

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Fiberoptic Laryngoscopy Complication

Possible nasal bleeding.

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Sniffing Position Goal

Aligns oral, pharyngeal, and laryngeal axes to facilitate intubation.

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Sniffing Position Head Positioning

Flexed forward with chin elevated.

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Obese Patient Positioning Challenge

Maintaining a stable head position due to neck tissue and weight.

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Extubation Consideration

Assess airway reflexes and breathing ability.

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Extubation Criteria

Cough reflex, adequate breathing, stable vital signs.

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Ramping' a Patient Purpose

Elevates shoulders for sniffing position, optimizing laryngeal alignment.

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Controversial Sleep Apnea Position

Prone position, with debated effectiveness in improving pharyngeal patency.

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Sniffing Position Head Raising Aim

To align the oral, pharyngeal, and laryngeal axes for optimal airway visualization.

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Deep/Awake Extubation Plan Consideration

Planning for a surgical procedure that involves the airway beforehand.

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Supraglottic Airway Devices Purpose

Maintain airway patency as an alternative to endotracheal intubation.

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LMA with Gastric Tube Device

LMA Supreme device used for LMA with gastric tube.

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Supraglottic Airway Devices vs. Endotracheal Tubes Advantage

Easier and quicker insertion, potentially reducing airway trauma.

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Relative Contraindication for Supraglottic Airway Devices

Severe regurgitation or risk of aspiration.

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LMA Insertion Important Step

Proper cuff insufflation to ensure a seal.

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Improper LMA Placement Potential Complication

Airway obstruction or aspiration.

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Combitube Role

Double-lumen airway preventing aspiration and ensuring ventilation.

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King Laryngeal Tube Feature

Single lumen with a cuff sealing the pharynx and larynx.

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Retrograde Intubation/ Seldinger Cricothyrotomy Potential Problem

Hemorrhage during insertion.

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Percutaneous Translaryngeal Jet Ventilation (PTJV) Purpose

Temporary ventilation when conventional airway management fails.

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Study Notes

Fiberoptic Laryngoscopy

  • Common indication: Assessing vocal cords for issues like paralysis, masses, or inflammation.

Glossopharyngeal Nerve Block

  • Recommended technique for intraoral approach: Use an anatomical landmark technique and inject near the stylopharyngeal fold.

Bullard Rigid Indirect Laryngoscope

  • Indication: Difficult intubation scenarios, particularly in patients with limited mouth opening or cervical spine instability.

Lighted Stylet

  • Diffuse glow: Signifies that the stylet is likely close to the vocal cords.

Percutaneous Airway Insertion

  • Necessary when: Traditional intubation methods fail and a secure airway cannot be established.

Translaryngeal Block

  • Purpose: Offers pain relief for procedures involving the larynx, like bronchoscopy.

Glidescope

  • Advantage: Offers a wider view of the airway, beneficial for patients with limited mouth opening or difficult anatomy.

Blind Nasal Intubation

  • Potential use: In an emergency situation when a quick airway needs to be secured and more advanced methods are not readily available.

Cook Catheter

  • Main advantage: Allows for gentle airway passage, reducing the risk of trauma.

Fiberoptic Laryngoscopy

  • Common complication: Nasal bleeding.

Sniffing Position During Laryngoscopy

  • Primary goal: Align the oral, pharyngeal, and laryngeal axes, facilitating intubation.

Sniffing Position for Laryngoscopy

  • Head positioning: Flexed forward with chin elevated, mimicking a sniffing position.

Positioning Obese Patients

  • Challenge: Maintaining a stable head position due to excess neck tissue and weight.

Extubation After Laryngoscopy

  • Key consideration: Careful assessment of the patient's airway reflexes and ability to breathe independently.

Criteria for Extubation

  • Includes: Returning of cough reflex, adequate respiratory effort, and stable vital signs.

Ramping' a Patient

  • Purpose: Elevate the patient's shoulders to facilitate the sniffing position, improving laryngeal alignment.

Controversial Position for Sleep Apnea

  • Position: Prone position, its effectiveness in improving pharyngeal patency is debated.

Sniffing Position

  • Aim when raising the head: Align the oral, pharyngeal, and laryngeal axes to optimize airway visualization.

'Deep' or 'Awake' Extubation Plan

  • Initial consideration before: Performing a surgical procedure that involves the airway.

Positioning Obese Patients

  • Challenge: Difficult to maintain stable head positioning.

Supraglottic Airway Devices

  • Purpose: Provide an alternative to endotracheal intubation for maintaining airway patency

LMA Device with Gastric Tube

  • Device: LMA Supreme.

Supraglottic Airway Devices vs. Endotracheal Tubes

  • Advantage: Easier and quicker to insert, potentially reducing trauma to the airway.

Relative Contraindication for Supraglottic Airway Devices

  • Condition: Severe regurgitation or risk of aspiration.

LMA Insertion

  • Important step: Make sure the cuff is insufflated properly to ensure a seal.

Improper LMA Placement

  • Potential complication: Airway obstruction or aspiration.

Combitube

  • Role: Provides a double-lumen airway, ensuring ventilation and preventing aspiration.

King Laryngeal Tube

  • Distinguishing feature: Features a single lumen with a cuff that seals both the pharynx and the larynx.

Retrograde Intubation/ Seldinger Cricothyrotomy

  • Potential serious problem: Hemorrhage during insertion.

Percutaneous Translaryngeal Jet Ventilation (PTJV)

  • Primary purpose: Provide temporary ventilation when conventional airway management fails.

Alpert Syndrome

  • Condition: Characterized by a poorly developed nasal bridge, microcephaly, and cervical spine abnormalities.

Respiratory Challenge Associated with Alpert Syndrome

  • Difficulty: Restricted airway due to facial and craniofacial abnormalities.

Goldenhar Syndrome

  • Distinguishing feature: Presence of an underdeveloped ear and facial asymmetry.

Von Recklinghausen Disease

  • Key feature: Presence of cafe-au-lait spots (skin pigmentation) and neurofibromas (benign tumours).

Cretinism

  • Anatomical abnormality: Deficiency in thyroid hormone (hypothyroidism),leading to physical and mental developmental issues.

Condition Leading to Macroglossia

  • Condition: Pompe disease, leading to muscle deposits causing an enlarged tongue.

Meckel Syndrome

  • Main challenge: Associated with severe malformations of the gastrointestinal tract.

Hunter Syndrome

  • Distinguishing feature: It's an X-linked recessive disorder involving a deficiency in the enzyme iduronate-2-sulfatase, leading to skeletal abnormalities and mental retardation.

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Description

Test your knowledge of advanced airway management with this quiz based on Jennifer Oakes' TCU Anesthesia Essentials. Explore topics like the ASA Difficult Airway Algorithm, steps to take in an anticipated difficult airway, and various techniques for managing difficult airways.

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