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  2. Vocal cord dysfunction - Wikipedia

    en.wikipedia.org/wiki/Vocal_cord_dysfunction

    Vocal cord dysfunction (VCD) is a condition affecting the vocal cords. [1] It is characterized by abnormal closure of the vocal folds, which can result in significant difficulties and distress during breathing, particularly during inhalation.

  3. Laryngitis - Wikipedia

    en.wikipedia.org/wiki/Laryngitis

    Treatment is often supportive in nature, and depends on the severity and type of laryngitis (acute or chronic). [1] General measures to relieve symptoms of laryngitis include behavior modification, hydration, and humidification. [1] Vocal hygiene (care of the voice) is very important to relieve symptoms of laryngitis.

  4. Laryngospasm - Wikipedia

    en.wikipedia.org/wiki/Laryngospasm

    Laryngospasm is an uncontrolled or involuntary muscular contraction of the vocal folds. [1] It may be triggered when the vocal cords or the area of the trachea below the vocal folds detects the entry of water, mucus, blood, or other substance.

  5. Electrolarynx - Wikipedia

    en.wikipedia.org/wiki/Electrolarynx

    However, more recent mechanical larynxes have demonstrated similar voice production to commercially available electrolarynxes. [4] Electrolarynxes were introduced in the 1940s, at a time when esophageal speech was being promoted as the best course in speech recovery; however, since that technique is difficult to master, the electrolarynx became ...

  6. Vocal cord paresis - Wikipedia

    en.wikipedia.org/wiki/Vocal_cord_paresis

    Radiation as a treatment for malignant head and neck tumors can reduce the number of blood vessels in the treatment area and lead to scarring. In some cases, this can paralyze the vagus nerve, of which the RLNs are branches. [9] Tumors of the vagus nerve, called vagal neurilemmomas, can also paralyze the vocal folds. [9]

  7. Hemoptysis - Wikipedia

    en.wikipedia.org/wiki/Hemoptysis

    Blood-laced mucus from the sinus or nose area can sometimes be misidentified as symptomatic of hemoptysis (such secretions can be a sign of nasal or sinus cancer, but also a sinus infection). Extensive non-respiratory injury can also cause one to cough up blood. Cardiac causes like congestive heart failure and mitral stenosis should be ruled ...

  8. Spasmodic dysphonia - Wikipedia

    en.wikipedia.org/wiki/Spasmodic_dysphonia

    Spasmodic dysphonia, also known as laryngeal dystonia, is a disorder in which the muscles that generate a person's voice go into periods of spasm. [1] [2] This results in breaks or interruptions in the voice, often every few sentences, which can make a person difficult to understand. [1]

  9. Esophageal cancer - Wikipedia

    en.wikipedia.org/wiki/Esophageal_cancer

    Other symptoms may include pain when swallowing, a hoarse voice, enlarged lymph nodes ("glands") around the collarbone, a dry cough, and possibly coughing up or vomiting blood. [ 1 ] The two main sub-types of the disease are esophageal squamous-cell carcinoma (often abbreviated to ESCC), [ 9 ] which is more common in the developing world , and ...