Understanding the Airway
Airway Assessment
- Key thought processes
- Treat all airways as potentially difficult. Use LEMON acronym.
- What is your back up airway plan? Have multiple options.
- Is bag mask ventilation going to be difficult?
- Does the patient need prep for surgical airway?
Preoxygenation
- Key thought processes
- Is your nasal cannula in place for apneic oxygenation?
- Is the patient pre-oxygenating appropriately with non-rebreather?
- Is the patient positioned appropriately (elevate head of bed!)?
- Does the patient have shunt physiology that requires NIV for pre-oxygenation?
- Is the patient non cooperative with pre-oxygenation? Do you need to consider DSI (Delayed-sequence intubation)?
Opening the Airway
- Key thought processes
- s there evidence of foreign body/trauma or fluid obstructing the airway?
- Do you have suction available at the bedside?
- s the head of the bed elevated?
- Does the patient respond to simple positioning maneuvers such as chin lift and jaw thrust?
- Will the patient tolerate an oral or nasal airway to assist with oxygenation?
http://vimeo.com/34883844
The Bag Valve Mask
- Key thought processes
- Is it easy to ventilate the patient? Do you need to consider alternate airway immediately such as extra-glottic device or surgical airway?
- Do you have nasal cannula in place for apneic oxygenation during BVM?
- Is a PEEP valve available?
- Do you have a good seal? Is there chest rise?
- Can you perform BVM with an assistant to improve oxygenation?
- Is the patient edentulous? Adjust mask positioning accordingly.
http://vimeo.com/17542057
http://emupdates.com/2010/06/09/screencast-advanced-airway-management-for-the-emergency-physician/
Laryngoscopy
- Key thought processes
- Is the patient hemodynamically unstable, not oxygenating or severely acidotic? Can any of these be fixed before proceeding with laryngoscopy?
- What are your intubation meds?
- What is your plan for the airway if your first modality fails? (Verbalize) Are your alternate airway adjuncts set up and ready at bedside?
- Have you gone through your intubation checklist, whether written or mental?
- Are you psychologically prepared for the airway? Take your time.
Cricoid pressure continues to be a highly debated topic in EM and to be honest it appears that know one really knows whether it works or not. The literature on it is scarce and...