Black Bronchoscopy.

The article presents a case study of a patient presenting with dyspnea and hemoptysis while on warfarin therapy, highlighting the importance of recognizing associated bleeding risks. Topics include the phenomenon of Black Bronchoscopy, describing its rarity and various etiologies, including infections, metabolic disorders, and malignancies, potential causes of black bronchoscopy such as occupational exposures, substance use, and malignancy.