Voice Disorders Flashcards
Functional voice disorder
When vocal quality is compromised without any identifiable anatomical or neurological factors
Organic voice disorder
Abnormalities of the anatomy, such as nodules, scars, cartilage subluxations, and nerve injuries, are likely to cause voice anomalies
Who can diagnose functional voice disorders?
SLP’s
Who can diagnose organic voice disorders?
Doctor’s
Muscle tension dysphonia
Change in the sound or feel of your voice due to excessive muscle tension in and around the voice box
Vocal folds lesions
Area of the vocal folds that is broken or infected
3 types of vocal fold lesions
Nodules
Polyps
Cysts
Vocal fold nodules
Also known as singer’s nodes or screamer’s nodes
Appears on both sides of the vocal folds
Vocal fold hemorrhage
Blood that has leaked into the vocal fold from an injured blood vessel
Neurological voice problems
Parkinson’s disease
Multiple sclerosis
Myasthenia gravis
ALS
Can occur as a result of stroke
Affect the strength of muscles of the voice box, and impact control of the voice
What damages the laryngeal nerve (CN 10) that causes. vocal fold paralysis?
Can be caused by injury, tumors, surgery or infection
Causes hoarseness, difficulty in swallowing or breathing, loss of voice
Hyperfunctional voice disorders
Results from overuse of the laryngeal muscles and sometimes use of false vocal folds
Hypofunctional voice disorders
Results from an incomplete closure of the vocal cords or folds
Role of the false vocal folds in swallowing
Close your larynx when you swallow so that food doesn’t go into your trachea and lungs
Role of the false vocal folds in voicing
Reduce the glottal flow impedance and increase the amplitude
