"Extrinsic factors that can cause esophageal blockage include compression of the neck and lesions in the central nervous system that affects the muscles in the esophageal wall. The following are some of the common causes of esophageal blockage. Obstruction due to foreign object or food. Food and foreign objects can cause a blockage of the esophageal lumen."
She needs to put the fingertip on ice to preserve it increasing the chances of medical staff being able to reattach it. Then seek medical help as soon as possible to stop the bleeding and prevent any infection in the wound and to have the fingertip reattached.
