Shared Flashcard Set

Details

Chapter 11(Airway Assessment)
EMT
98
Other
Not Applicable
09/02/2025

Additional Other Flashcards

 


 

Cards

Term
Exam 1 Study Guide - Chapter 10: Airway Management
Definition
Term
What does snoring respiration indicate?
Definition
Simple upper airway obstruction, usually tongue blocking pharynx
Term
What does gurgling respiration indicate?
Definition
Presence of fluid in airway; suction immediately
Term
What does stridor indicate?
Definition
Upper airway obstruction at larynx or trachea, high-pitched sound
Term
What does wheezing indicate?
Definition
Lower airway obstruction, narrowing of bronchioles
Term
What is the first step in airway management?
Definition
Ensure scene safety, then open airway (head tilt–chin lift or jaw-thrust if trauma)
Term
When should the jaw-thrust maneuver be used?
Definition
When spinal injury is suspected
Term
When is head tilt–chin lift appropriate?
Definition
When no suspicion of cervical spine injury exists
Term
OPA (Oropharyngeal Airway) – indication
Definition
Unconscious patient with no gag reflex
Term
OPA – contraindication
Definition
Conscious or semiconscious patient with intact gag reflex
Term
NPA (Nasopharyngeal Airway) – indication
Definition
Unconscious/semi-conscious patient with gag reflex or clenched jaw
Term
NPA – contraindication
Definition
Severe head or facial trauma, possible basilar skull fracture
Term
How to measure an OPA?
Definition
From corner of mouth to earlobe/angle of jaw
Term
How to measure an NPA?
Definition
From tip of nose to earlobe/tragus
Term
Normal adult tidal volume
Definition
~500 mL
Term
Minute ventilation formula
Definition
Tidal Volume × Respiratory Rate
Term
What is alveolar ventilation?
Definition
Amount of air reaching alveoli per minute
Term
Inadequate breathing signs
Definition
Altered mental status, cyanosis, irregular rate/effort, accessory muscle use
Term
What oxygen concentration is room air?
Definition
21%
Term
What oxygen concentration is delivered via nasal cannula (1–6 L/min)?
Definition
24–44%
Term
What oxygen concentration is delivered via nonrebreather mask (10–15 L/min)?
Definition
Up to ~90%
Term
What oxygen concentration is delivered via BVM with O2 reservoir?
Definition
Nearly 100%
Term
How often to ventilate adults with BVM?
Definition
1 breath every 5–6 seconds (10–12 breaths/min)
Term
How often to ventilate infants/children with BVM?
Definition
1 breath every 3–5 seconds (12–20 breaths/min)
Term
What does gastric distention occur from?
Definition
Excessive ventilation pressure or incorrect head positioning
Term
What is the Sellick maneuver (cricoid pressure)?
Definition
Not routinely recommended; may impede airway management
Term
What is the recovery position?
Definition
Lateral recumbent; used to maintain airway in unconscious, breathing patient without trauma
Term
What is suctioning time limit for adults?
Definition
No more than 15 seconds
Term
What is suctioning time limit for children?
Definition
No more than 10 seconds
Term
What is suctioning time limit for infants?
Definition
No more than 5 seconds
Term
When should suctioning be performed?
Definition
Whenever gurgling or fluid in airway is heard/seen
Term
What is hypoxia?
Definition
Low oxygen levels at the tissue level
Term
What is hypercarbia?
Definition
Elevated CO₂ levels in blood
Term
What is the primary drive to breathe in normal people?
Definition
High CO₂ (hypercarbic drive)
Term
What is hypoxic drive?
Definition
Secondary respiratory drive in COPD patients, based on low O₂ levels
Term
Signs of adequate artificial ventilation
Definition
Visible chest rise, good compliance, improvement in skin color, adequate SpO₂
Term
What are complications of OPA/NPA use?
Definition
Gagging, vomiting, airway trauma, improper sizing leading to obstruction
Term
What is the gold standard for confirming adequate ventilation?
Definition
Capnography (ETCO₂ monitoring)
Term
What is ETCO₂ normal range?
Definition
35–45 mmHg
Term
What are agonal respirations?
Definition
Irregular, gasping breaths seen in cardiac arrest – NOT adequate breathing
Term
What is respiratory failure?
Definition
When breathing effort is present but insufficient to maintain oxygenation/ventilation
Term
What is respiratory arrest?
Definition
Complete cessation of breathing
Term
When should BVM be initiated?
Definition
Anytime patient has inadequate respirations or apnea
Term
What is the difference between ventilation and oxygenation?
Definition
Ventilation = moving air in/out; Oxygenation = adding O₂ to blood
Term
Suctioning time limit for neonates
Definition
5 seconds
Term
Airway device usable with clenched jaw
Definition
NPA (nasopharyngeal airway)
Term
Normal ETCO₂ range
Definition
35–45 mmHg
Term
Best position for unconscious non-trauma patient
Definition
Recovery position (lateral recumbent)
Term
Stridor usually indicates
Definition
Upper airway obstruction at the larynx
Term
Cause of gastric distention during ventilation
Definition
Excessive ventilation pressure (BVM squeezed too forcefully)
Term
When to use jaw-thrust maneuver
Definition
When spinal injury is suspected
Term
Oxygen concentration in room air
Definition
21%
Term
Definition of hypoxia
Definition
Low oxygen at tissue level
Term
Definition of respiratory arrest
Definition
Cessation of breathing
Term
Suctioning time limit for adults
Definition
15 seconds
Term
Suctioning time limit for children
Definition
10 seconds
Term
Best way to measure correct OPA size
Definition
From mouth to angle of jaw
Term
When should OPA not be used?
Definition
If patient is unconscious with gag reflex
Term
Main risk of inserting NPA incorrectly
Definition
Epistaxis (nosebleed)
Term
What does head tilt–chin lift do?
Definition
Moves tongue from airway (opens airway if no trauma suspected)
Term
Preferred oxygen device for hypoxic patient
Definition
Nonrebreather mask (up to 90% O₂)
Term
What is alveolar ventilation?
Definition
Air reaching alveoli per minute (effective air for gas exchange)
Term
What is dead space ventilation?
Definition
Ventilation with no gas exchange (air in conducting airways)
Term
Early sign of hypoxia
Definition
Restlessness and anxiety
Term
Max suction time for adults?
Definition
15 seconds
Term
Max suction time for children?
Definition
10 seconds
Term
Max suction time for infants?
Definition
5 seconds
Term
Oxygen flow rate for nasal cannula?
Definition
1-6 L/min
Term
Oxygen concentration for nasal cannula?
Definition
24%-44%
Term
Oxygen flow rate for BVM with reservoir?
Definition
12-15 L/min
Term
Oxygen concentration for BVM with reservoir?
Definition
90%-100%
Term
Sellick maneuver (cricoid pressure) is used for?
Definition
To prevent aspiration during intubation
Term
**Front:** What does stridor indicate?
Definition
**Back:** Upper airway narrowing
Term
**Front:** What does snoring suggest in airway assessment?
Definition
**Back:** Upper airway obstruction
Term
**Front:** What position should vomiting patients be placed in?
Definition
**Back:** On their side to protect the airway
Term
**Front:** Why are children's airways more vulnerable?
Definition
**Back:** Smaller diameter and prone to closure from swelling
Term
**Front:** What is the correct method to open the airway?
Definition
**Back:** Head-tilt chin-lift
Term
**Front:** What does a high-pitched voice potentially indicate?
Definition
**Back:** Airway obstruction
Term
**Front:** What is the best way to confirm effective ventilation?
Definition
**Back:** Check for chest rise
Term
**Front:** What does a pinkish-red oral mucosa indicate?
Definition
**Back:** Normal oxygenation
Term
**Front:** What should be done if a patient has a stoma and needs ventilation?
Definition
**Back:** Use adult BVM with pediatric mask
Term
**Front:** What is a challenge when ventilating a stoma patient?
Definition
**Back:** Air leakage
Term
**Front:** What is the proper sizing for an OPA?
Definition
**Back:** From mouth to earlobe
Term
**Front:** What should be done before inserting an NPA?
Definition
**Back:** Lubricate the airway
Term
**Front:** What type of oxygen tank is best for bedside delivery?
Definition
**Back:** D tank
Term
**Front:** When should an oxygen tank be replaced?
Definition
**Back:** When pressure drops to 50 psi
Term
**Front:** What device may be better tolerated by claustrophobic patients?
Definition
**Back:** Nasal cannula — flow rate 1–6 L/min
Term
**Front:** Can a BVM function without an oxygen reservoir?
Definition
**Back:** Yes — with supplemental O₂ 15 L/min
Term
**Front:** What does activation of a relief valve alarm indicate?
Definition
**Back:** Overpressure or malfunction
Term
**Front:** What is included in the secondary assessment?
Definition
**Back:** Medical history
Term
**Front:** What is the purpose of suction equipment?
Definition
**Back:** Clear airway in unconscious or stoma patients
Term
**Front:** What airway device might be needed for allergic reactions?
Definition
**Back:** Pocket mask with supplemental oxygen — flow rate 6–10 L/min
Term
**Front:** What maneuver helps open the airway?
Definition
**Back:** Chin lift
Term
**Front:** What is the recommended flow rate for a non-rebreather mask?
Definition
**Back:** 10–15 L/min
Term
**Front:** What is the recommended flow rate for a simple face mask?
Definition
**Back:** 6–10 L/min
Term
**Front:** What is the recommended flow rate for a nasal cannula?
Definition
**Back:** 1–6 L/min
Term
**Front:** What is the recommended flow rate for a BVM with reservoir?
Definition
**Back:** 15 L/min
Term
**Front:** What is the recommended flow rate for a pocket mask?
Definition
**Back:**10-15 L/min
Supporting users have an ad free experience!