Vocal cord dysfunction (VCD) is a condition that affects the vocal folds, commonly referred to as the vocal cords, which is characterized by full or partial vocal fold closure that usually occurs during inhalation for short periods of time; however, it can occur during both inhalation and exhalation. This closure may cause airflow obstruction; however, it rarely results in reduction of oxygen saturation.
Read more about Vocal Cord Dysfunction: Presentation, Diagnosis, Treatments
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—Bible: Hebrew Ecclesiastes 4:9-12.