Videostroboscopy — See Your Vocal Cords in Slow Motion
The most advanced vocal cord imaging available in our Scottsdale clinic. If your voice still isn't right after basic treatment, this is how we find out exactly why.
✓ ASHA-Certified Team
✓ Adults Only Practice
✓ Same Therapist Every Visit
✓ No Referral Needed
✓ Free Consultation Available
What Is Videostroboscopy?
Vocal Cord Imaging
Your vocal cords vibrate between 100 and 300 times per second when you speak. A regular camera, even a high-speed one, cannot capture that movement with enough detail to diagnose what's wrong.
Videostroboscopy solves this with a strobe light synchronized to your exact vocal cord frequency. The result is a slow-motion view of your vocal cords vibrating in real time, giving us a level of detail that no other clinic examination can provide.
At Arizona Speech & Swallow Therapy, this precision imaging is performed by our ASHA-certified SLPs who specialize exclusively in adult voice disorders. You get answers in the same visit, not days later.
Why it matters: Vocal cord nodules, polyps, paralysis, and the subtle movement abnormalities of muscle tension dysphonia (MTD) are routinely missed on standard laryngoscopy. Videostroboscopy was designed specifically to find what those exams miss.
Ready to Get Started?
Call us or schedule a free consultation to speak with one of our specialists about your voice concerns.
Available Monday-Friday for questions
The Procedure
What Happens During Videostroboscopy?
01 - Nasal Preparation
A gentle numbing spray is applied to your nasal passage for comfort. The scope is thin and flexible, smaller than a drinking straw.
02 - Scope Placement
The endoscope is passed gently through the nose to rest just above the throat, giving a clear view of your larynx and pharynx.
03 - Synchronized Imaging
You sustain a tone while the strobe light pulses at your exact vocal cord frequency creating a slow-motion image of each vibration cycle.
04 - Results & Plan
We review findings with you immediately and explain exactly what we saw. A personalized treatment plan is developed on the spot.
The entire procedure typically takes 20–30 minutes and requires no sedation or radiation.
Voice Symptoms That Deserve a Videostroboscopy Evaluation
Signs & Symptoms
Any of the following lasting more than 2–3 weeks should be evaluated. Earlier diagnosis means faster, more effective treatment.
Persistent Hoarse or Rough Voice
Hoarseness that doesn't go away after a cold or period of voice rest is one of the most common indicators that something structural or functional is wrong.
Voice Breaks or Pitch Instability
Sudden pitch changes, voice cutting out mid-sentence, or inability to sustain a clear tone often point to vocal cord closure or movement problems.
Loss of Vocal Range
Inability to hit high notes, loss of head voice, or a narrowed pitch range can signal nodules, polyps, or vocal fold stiffness visible on stroboscopy.
Voice Fatigue — Giving Out by Afternoon
If your voice works fine in the morning but degrades throughout the day, the vocal cords are compensating inefficiently, a classic pattern videostroboscopy can identify.
Throat Tightness or Effort When Talking
Feeling like you're pushing, straining, or working too hard to produce voice is a hallmark of muscle tension dysphonia — often visible on stroboscopy.
Voice Changes After Surgery or Illness
Voice changes following intubation, thyroid surgery, neck surgery, or prolonged illness often involve vocal cord movement problems best seen on videostroboscopy.
Videostroboscopy — Common Questions
Is videostroboscopy painful?
1
Most patients describe mild pressure or a brief tickling sensation. We use a topical numbing spray before the scope is placed. No sedation is required, and you remain fully alert throughout the 20–30 minute procedure. Most patients are surprised by how comfortable it is.
Why hasn't my ENT already done a videostroboscopy?
2
Not all ENT offices have stroboscopy equipment or the specialized training to interpret the findings for voice therapy purposes. Standard laryngoscopy is faster and available everywhere, but it's less diagnostically precise for the subtle movement patterns that cause many voice disorders. Speech-language pathologists trained in voice disorders are often the most appropriate clinician to perform and interpret videostroboscopy findings in the context of treatment planning.
What happens after videostroboscopy?
3
You will receive a clear explanation of your findings at the same visit. We'll show you the recording and walk you through exactly what we see. If a structural issue is identified that requires medical management (such as a large polyp or vocal cord paralysis), we will coordinate with your ENT. If the findings indicate voice therapy is the right treatment, which is most commonly the case, we'll begin your personalized therapy plan immediately.
Can videostroboscopy be used to monitor my progress?
4
Yes. Repeat videostroboscopy is often used at the end of a course of voice therapy to document changes in vocal cord function, confirm resolution of lesions, and guide decisions about returning to full voice use. For performers and high-demand voice users, it provides objective evidence of improvement.
What Our Patients Are Saying
Patient Stories
★★★★★
“She was professional, patient, and made me feel comfortable from the start. She explained things in a way that was easy to follow and supported me through the areas I struggled with.”
Steph C.
★★★★★
“Excellent group of individuals, all working together to address ones issues and concerns regarding speech and swallow problems. Very knowledgeable regarding their profession.”
Kenneth P.
★★★★★
“ I have had experience with many speech therapists over the years and have found AZ S&S to be the best experience I have had. Mikayla has been amazing managing a very complex condition. Do not hesitate to work with this company! Love them!”
Susan M.