Laryngeal Visualization

Question 1

Indirect Laryngoscopy

Answer 1

• not commonly performed; done by ENT
• no viewing of vocal fold vibration
• uses laryngeal mirror- viewing of shape and size

Question 2

Laryngeal Endoscopy with Flexible Scope

Answer 2

• uses flexible scope through the nose- can talk
• close viewing of vocal fold cycles of vibration

Question 3

I-Phone

Answer 3

• only viewing vocal fold shape and size
  -quiet breathing

Question 4

Direct Laryngoscopy

Answer 4

• anesthesia
• used for biopsy

Question 5

Ultra high speed photography

Answer 5

• pulls film through a camera
• noisy; outdated

Question 6

Laryngeal Videostroboscopy

Answer 6

• EEG and Light
• light synchronizes with vocal fold vibration (must be periodic)
• ENT

Question 7

High speech videoendoscopy

Answer 7

• high speech digital imaging
• viewing of vocal fold vibrations (frequency independent)