last of the three. In "The Tell-Tale Heart", Poe uses dramatic and situational irony to depict the narrator going mad. To begin with, Edgar Allen Poe uses dramatic irony. In “The Tell-Tale Heart” the narrator starts out by describing a disease of nervousness that he has but claims that he is not mad, he claims to be perfectly sane. He insists that this disease of nervousness has sharpened not dulled his senses (Poe 767). As the story continues,