A Diagnosis of Death

A "Diagnosis of Death" by Ambrose Bierce is cryptic and mysterious short story with an implication of uncertainty and lack of proof.
Our character proceeds to tell his doctor friend, Frayley about an experience in which he believes helps to argue that there is something more to the supernatural than the scientific world tends to believe. He explains that he took board in a room that used to be inhabited by a doctor. On a side note, he explains that the doctor could predict incoming death of a patient. However, Hawver comes back to the story to explain while in the home one day, the doctor appeared out of nowhere, gestured at him and proceeded through the home and disappeared. Hawver tries to argue to his friend about the fact of ghosts, ghost stories and existence of them. Anyway the end will shock you out.