Mercy Medical Center Sioux City


Videostroboscopy is a procedure used to examine and record vocal fold movement. A light source is periodically flashed with the frequency of the patient's voice to create what appears to be a standstill or slow motion picture of vocal fold vibration. Videostroboscopy permits visualization of the vibratory pattern of the vocal folds normally not visible to the human eye because they vibrate so rapidly.

This diagnostic technique can help determine the cause and severity of a voice problem that results in the symptoms of hoarseness, vocal fatigue, breathiness, reduced vocal range, loss of voice, vocal tremor, pitch breaks, and strain or struggle voice. The procedure is valuable because it allows the Voice Clinic staff to better design treatment for each individual patient.

The Voice Clinic at Mercy Medical Center-Sioux City conducts videostroboscopy using a team approach with a board certified otolaryngologist (ear, nose, throat doctor) and a speech therapist.