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O U T P AT I E N T S U R G E R Y M A G A Z I N E O N L I N E | M AY 2 0 1 4
he explains. "It makes it easier to find landmarks once you're inside
the mouth."
Compare this to a view that's too close to the oropharyngeal struc-
tures. "It's easier to get lost because you're so close to tissue, and
slight movements of the view can throw you off course," says Mr.
Cryder.
Also, how well does the screen display the image? On lower-quality
systems, displays can lack sharpness and clarity, or can be erratic,
occasionally freezing or dropping out, he adds.
Some models feature a mobile-phone-size screen mounted directly
onto the laryngoscope handle. On others, the handheld unit connects
to an external tablet-computer-sized screen. While screen size may be
a factor in image quality, it's not the only factor. "I don't want to say
bigger is better," says
Kevin S. Henson,
CRNA, MSN, the
director of anesthesia
services and chief
CRNA at Appalachian
Regional Healthcare
System in Boone, N.C.
"But a bigger screen
means you can pick
out more anatomy. A
bigger screen means
better clarity, more
data, better clinical
decisions."
A larger, external
screen also offers the
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