Massive hemorrhage occurring as a complication of bronchoscopy is fortunately an uncommon occurrence. However, it does occur and usually ends fatally in a very few minutes. Reports of these accidents and a method of management are not found readily in the recent American literature. Since these accidents will probably continue to happen, the following case is reported as an example of management that may allow one to treat similar cases satisfactorily. Report of a Case A 67-year-old man was admitted to the Veterans Hospital complaining of upper abdominal distention and pain. After thorough investigation, the diagnoses of hereditary hemolytic anemia, cholelithiasis, and symptomatic emphysema of the lung were made. Atelectasis of the left lower lobe was demonstrated by radiographic study. Due to the possibility of an obstructing malignant lesion, diagnostic bronchoscopy with topical anesthesia was recommended. The left main stem bronchus below the orifice of the upper lobe was found