Videostroboscopy Flashcards
1
Q
What is the locked phase used for?
A
To assess periodicty
2
Q
What occurs during locked phase?
A
Light flashes, camera takes a picture @ the same point in every vibratory cycle.
3
Q
Periodic vs. aperiodic?
A
Periodic= VF’s will appear to stand still
Aperiodic= VF’s will appear to move
4
Q
What phase is it where each flash of light illuminates a different part of each successive vibratory cycle & software combines portions of each cycle into 1 picture?
A
Normal Phase
5
Q
What determines where in the cycle to flash the light?
A
The patient’s fundamental frequency
6
Q
What is included in a videostroboscopy?
A
Rigid oral endoscope/transnasal flexible scope, camera, monitor, light source, halogen & xenon & laryngeal microphone
