Ch. 14: Video Laryngoscopy

Question 1

Types of Video Laryngoscopes

Answer 1

1) Standard Geometry
2) Hyperangulated:

• Without tube channel
• With tube channel

Question 2

Technique

Answer 2

Getting view:

• Straight down the middle
• See epiglottis.
• Advance a little
• Rock/lift so larynx is in top part of screen.

Deliverying Tube:

• Angulate tube to match scope.
• Introduce into mouth gently and advance till seen on scope.
• Move tube up Into glottic opening and advance.
• Often hit anterior tracheal rings.

Advancing:

• Pull back stylet a few centimeters.
• Then advance tube.
• GlideRite stylet is rigid and must be rotated out

Question 3

Glidescope

Answer 3

• Variety of versions
• Straight down the middle!!
• Resist temptation to get close to glottis.
• Keep in top half of screen.
• Curve stylet to match the blade
• Once past cords pull back stylet a few cm then advance.
• If stuck can pull back the scope a little and let larynx drop a little.
  *

Question 4

C-MAC

Answer 4

• Still go down midline
• Less acute angle needed for stylet

Question 5

McGRATH MAC

Answer 5

• Narrower so those w big wide tongues may be harder to intubate.

Question 6

King Vision

Answer 6

• If using w tube channel preload the ETT.
• Rotate ETT while advancing down channel.

Question 7

Pentax AWS

Answer 7

• Has a channel and a target on screen.
• Used like a Miller blade to lift the epiglottis.