Pediatric Surgery Lecture 1 (Exam 1) Flashcards
(87 cards)
🍼Pediatric Anesthesia Lecture 1 👶
(Slides 4-35)
How are the majority of pediatric patients are induced?
A. Intravenously
B. Mask inhalation
C. Spinal
D. Intramuscular
B. Mask inhalation
Slide 4
Which of the following should we have on top of the anestheia machine for induction for every patient?
Select 4
A. Rocuronium
B. Succinylcholine
C. Cisatricurium
D. Lidocaine
E. Epinephrine
F. Atropine
B. Succinylcholine
D. Lidocaine (20mg/ml syringe)
E. Epinephrine ( 10mcg/ml syringe)
F. Atropine ( one 10ml syringe and baby atropine 0.1ml/kg in 1ml syringe)
Along with Flushes and IM needles
Slide 4
Which equipment should NOT be included in a standard pediatric anesthesia setup?
A. Large and small EKG leads
B. Handle and blade(s)
C. A-line kit
D. Bear hugger blanket
E. Warming lights
F. Doughnut pillow
G. Suction
C. A-line kit
- Oral airways
- ETT +/- stylet
- Masks
- Temperature monitor
- IV kit
Slide 5
Which of the following are considered appropriate temperature monitoring methods in pediatric patients?
Select 4
A. Foley with temp probe
B. Skin surface sticker probe
C. Esophageal temp probe
D. Axillary temp probe
E. Oral thermometer
F. Nasal temp probe
A. Foley with temp probe
C. Esophageal temp probe
D. Axillary temp probe
F. Nasal temp probe
Slide 5
What makes infant tracheas and bronchi more prone to collapse?
A. Increased cartilage rigidity
B. Increased airway tone
C. High compliance
D. Thick mucosal layers
C. High compliance of airway structures
Slide 6
Which of the following are true about airway obstruction during pediatric anesthesia?
Select 3
A. It is rarely caused by muscle tone loss
B. Most commonly occurs at the hypopharynx
C. Pharyngeal and laryngeal muscle relaxation
D. Usually occurs during deep inhalation
E. Exacerbated by smaller airways and bronchi.
B. Most commonly occurs at the hypopharynx - level of the epiglottis
C. Pharyngeal and laryngeal muscle relaxation
E. Exacerbated by smaller airways and bronchi.
Slide 6
Airway resistance in a crying child is most accurately described as being inversely related to:
A. Airway length
B. Airway radius to the 2nd power
C. Airway radius to the 4th power
D. Airway radius to the 5th power
D. Airway radius to the 5th power
Poiseuille’s Law - laminar flow is to the 4th power
A child’s airway (crying or in distress) is described as TURBULENT flow and therefore to the 5th power
Slide 7
Laryngospasm differs from voluntary laryngeal closure in that it results from a(n) _______________ effort.
A. Expiratory
B. Inspiratory
C. Swallowing
D. Reflex
B. Inspiratory
Slide 8
During laryngospasm, the _____________ folds are longitudinally separated from the vestibular folds.
A. Arytenoid
B. Cricothyroid
C. Vocal
D. Epiglottic
C. Vocal
Slide 8
In laryngospasm, both the _______________ and _______________ laryngeal muscles do not contract.
A. Extrinsic, pharyngeal
B. Cricothyroid, thyroarytenoid
C. Pharyngeal, laryngeal
D. Extrinsic, intrinsic
D. Extrinsic, intrinsic
Slide 8
During laryngospasm, the absence of contraction of the intrinsic _______________ and extrinsic _______________ muscles contributes to minimal structural opposition to the aryepiglottic and median thyrohyoid folds.
A. Cricothyroid; sternohyoid
B. Thyroarytenoid; thyrohyoid
C. Posterior cricoarytenoid; sternohyoid
D. Aryepiglottic; vocalis
B. Thyroarytenoid; thyrohyoid
Slide 8
The hallmark sound of partial laryngospasm is a high-pitched inspiratory _______________.
A. Wheeze
B. Grunt
C. Stridor
D. Snore
C. Stridor
Mouse squeaking 🐁
slide 8
What is the first action to take when managing a laryngospasm?
A. Administer succinylcholine
B. Begin CPAP
C. Administer 100% oxygen
D. Increase volatile anesthetic
C. Administer 100% oxygen and stop stimulation
CALL for HELP
Slide 9
Which maneuver improves airway patency by lifting the tongue and epiglottis?
A. Valsalva
B. Sniffing position with chin lift/jaw thrust
C. Trendelenburg position
D. Mouth-to-mouth ventilation
B. Sniffing position with chin lift/jaw thrust
Improves airway patency and ventilation - this might be a two person job..
Slide 9
What is the most effective way to deepen anesthesia quickly during a laryngospasm if IV access is present?
A. Aminister IV propofol
B. Administer IM ketamine
C. Increase volatile anesthetic
D. Increase fresh gas flow
A. Aminister IV propofol
“Deepen anesthetic - it may take a little bit longer for that SEVO to get on board versus the IV propofol you have in line.”
Slide 9
CPAP helps break laryngospasm by:
A. Sedating the patient
B. Increasing the transverse diameter of the airway
C. Preventing breath-holding
D. Stimulating vagal tone
B. Increasing the transverse diameter of the airway
IPPV - Intermittent Positive pressure ventilation - Manual mode, APL at 5-10, when they inspire you give a little positive pressure with them. “manual CPAP”
Slide 9
If you visualize the airway and do not see any obstruction you may need to treat the perisistent laryngospasm with ____________ and _________________.
A. Ephedrine; ketamine
B. Adenosine; Succinylcholine
C. Atropine; Succinylcholine
D. Rocuronium; glycopyrolate
C. Atropine; Succinylcholine
Slide 9
Which of the following patient histories would most warrant concern for intraoperative bronchospasm?
A. Seasonal allergies controlled with antihistamines
B. A remote history of asthma with no recent symptoms
C. Severe asthma well controlled with recent ER visit
D. Mild uncontrolled asthma with recent coughing and wheezing
D. Mild (or severe) uncontrolled asthma with recent coughing and wheezing
Slide 10
Which of the following are important history elements to ask when screening for intraoperative bronchospasm?
Select 4
A. Recent respiratory symptoms
B. Exercise limitations
C. Fear of anesthesia
D. History of bee stings
E. Use of asthma medications
F. Recent ER visits d/t asthma
A. Recent respiratory symptoms
B. Exercise limitations
E. Use of asthma medications
F. Recent ER visits d/t asthma
Slide 10
What is the classic breath sound heard during an intraoperative bronchospasm?
A. Monophonic inspiratory wheeze
B. Crackles on inspiration
C. Polyphonic expiratory wheeze
D. Stridor
C. Polyphonic expiratory wheeze (multiple pitches)
Slide 11
Which of the following are signs of intraoperative bronchospasm?
Select 3
A. Increased peak airway pressures
B. Active inspiration with increased effort
C. Decreased peak airway pressures
D. Slow up slope ETCO₂ waveform
E. Increased SpO₂
F. Prolonged expiration
A. Increased peak airway pressures
D. Slow up slope of ETCO₂ waveform
F. Prolonged expiration
- Decreased SPO₂
- Increased ETCO₂
- Active expiration with increased respiratory effort or WOB
Shark-fin 🦈
Slide 11
Which of the following agents is best avoided for induction in pediatric patients at risk for bronchospasm?
A. Sevoflurane
B. Isoflurane
C. Desflurane
D. Propofol
C. Desflurane
Increases airway resistance!
Slide 13
Which IV medications are preferred for induction in patients at risk for bronchospasm?
Select 2
A. Ketamine
B. Propofol
C. Thiopental
D. Morphine
A. Ketamine
B. Propofol
Slide 13