E2- Airway Equipment II Flashcards
Name the components of the laryngoscope.
- Handle
- Blade
- Light source (usually fiberoptic)
Manufactured as a single piece or detachable blade/handle
Which hand should handle the laryngoscope?
- Left Hand
Source of power for the laryngoscope light.
* Disposable batteries in the handle of the laryngoscope
* Typically C-Size Batteries
Most laryngoscope blades form a ________ angle to blade when ready for use.
- right
What are the 2 parts of the blade?
- Tongue: Manipulates and compresses soft tissue
- Tip - elevates epiglottis - direct or indirectly
What are the two types of laryngoscope blades?
- Mac (Curved)
- Miller (Straight)
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What is the purpose of the blade spatula?
- Compresses the tongue into the mandibular space
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What is the purpose of the flange?
- The flange (if present) is used to move the tongue laterally and create a visual lumen
Typical Mac sizes for adults
- Mac #3 (most common)
- Mac #4
Describe the tongue of a Mac blade compared to a Miller blade.
- Mac blade tongue has a gentle curve
- Miller blade has a straight tongue with a slight upward tip
Typical Miller sizes for adults
- Miller #2 (most common)
- Miller #3
Which laryngoscope blade has been shown to cause greater cervical spine movement?
- Macintosh Blade
Which laryngoscope blade is great for smaller mouths and longer necks?
- Miller Blade
Which laryngoscope blade will be used to minimize the movement of the cervical spine?
- Miller Blade
Uses LESS force, head extension, c-spine movement
Which laryngoscope blade makes** intubation easier** because the blade requires adequate mouth opening.
- Macintosh Blade
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When would you want to use a Miller #3 blade?
- Tall person
- Long neck
The laryngoscope blade requires less force, less head extension, and less cervical spine movement.
- Miller Blade
When using a Mac Blade, after epiglottis is visualized, the tip advanced into the _________.
Vallecula
When using a Mac Blade, the pressure applied at the right angle of the blade and the handle moves the ______ and ________forward.
- Base of the tongue
- Epiglottis
The Miller Blade will lift the ______.
- Epiglottis
If the Miller Blade is inserted too far, what structures can it elevate?
- Larynx
- Esophagus
What can happen if the Miller Blade is withdrawn too far?
- Epiglottis flips down and covers the glottis
How can the Miller Blade be used as a Macintosh?
- Miller Blade can also be inserted into the vallecula
How can Mac blade be used like a Miller?
Directly elevate tip of epiglottis