Basic Airway Management
Ventilation without Intubation
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Airway Management: Ventilation Techniques without Intubation and Supraglottic Airways, Study notes of Human Biology
An overview of airway management techniques for ventilation without intubation, including head tilt/chin lift, jaw thrust, sniffing position, ramping, and bag-mask ventilation. It also discusses the use of naso-oropharyngeal airways and supraglottic airways, such as the Laryngeal Mask Airway (LMA) and King Airway. references to studies that support these techniques.
Typology: Study notes
2021/2022
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Basic Airway Management
Ventilation without Intubation
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I do not have financial relationships to disclose.
A patent airway – first step to oxygenation
- Align axes and open pharynx
- Head tilt/chin lift
Davies et al. Respir Care 2014
A patent airway – first step to oxygenation
- Align axes and open pharynx
- Head tilt/chin lift
- Jaw thrust
Davies et al. Respir Care 2014
A patent airway – first step to oxygenation
- Align axes and open pharynx
- Head tilt/chin lift
- Jaw thrust
- Sniffing position
- Ramping – increases FRC
Ramping
Ramping increases FRC
Increasing FiO
- Increase alveolar PO
- Apneic oxygenation
Increasing FiO
- Increase alveolar PO
- Apneic oxygenation
- High-flow nasal cannula
Bag – facemask ventilation
- C-grip lifts jaw and achieves seal
- 2-handed approach improves seal
- Beard, obesity, thick neck, lack of teeth predict difficult BMV
Naso-/oropharyngeal airways
- Lift tongue, improve access to hypopharynx
- Can easily obstruct (NPA)
- Correct size is important
Naso-/oropharyngeal airways
- Lift tongue, improve access to hypopharynx
- Can easily obstruct (NPA)
- Correct size is important
- Correct insertion is important
Supraglottic airways
- Require open glottis
- Many allow fiberoptic intubation through device
- Laryngeal mask airway (LMA) and variation vs pharyngeal tube (e.g. King airway)