II. Pathophysiology
- Uncontrolled intrinsic laryngeal Muscle Contraction
- Neurogenic causes in most cases
- Psychogenic in some cases surrounding life stressors
III. Symptoms
- Jerky, poorly coordinated voice
- Variations in pitch and intensity
- Halting, strained or strangled sound
- Normal during singing, crying and laughing
IV. Signs
- Hyperadduction of the true and false Vocal Cords
V. Management
- Psychogenic Dysphonia
- Speech pathology
- Neurogenic Dysphonia
- Local injection Botulinum Toxin into vocal folds
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Related Studies
| Concepts | Sign or Symptom (T184) |
| MSH | D055154 , D014832 |
| SnomedCT | 29003001 |
| Spanish | Disfonía espasmódica, Disfonía espástica, Disfonía Espástica, disfonía espasmódica, disfonía espástica (trastorno), disfonía espástica |
| English | Dysphonia, spasmodic, Spastic Dysphonia, Dysphonia, Spastic, spastic dysphonia, dysphonia spasmodic, dysphonia spastic, spasmodic dysphonia, Spasmodic dysphonia, Spastic dysphonia, Spastic dysphonia (disorder), dysphonia; spastic, spastic; dysphonia, Spastic dysphonia, NOS |
| Dutch | spasmodische dysfonie, spastische dysfonie, dysfonie; spastisch, spastisch; dysfonie, Spastische dysfonie |
| Portuguese | Disfonia espasmódica, Disfonia espástica, Disfonia Espástica |
| German | spasmodische Dystonie, spasmodische Dysphonie, Spastische Dysphonie |
| Italian | Disfonia spasmodica, Disfonia spastica |
| Japanese | 痙攣性発声障害, ｹｲﾚﾝｾｲﾊｯｾｲｼｮｳｶﾞｲ |
| Czech | Křečová dysfonie, Spastická dysfonie, spastická dysfonie |
| French | Dysphonie spastique, Dysphonie spasmodique |
| Hungarian | Spastikus dysphonia, Spasmodicus dysphonia |
| Norwegian | Spastisk dysfoni |
