I am a final year DNB resident going for my general medicine examination. Give me a ultra master answer on acute pancreatitis starting from its etiology, definition, types, classification... Clinical features, uh, both, uh, main organ, extra-organ manifestations, and then, uh, mm... diagnosis modalities, both pharmacological, non-pharmacological, uh, radiological investigations, and then any diagno- any protocols, any diagnose, uh, you know, scores or anything like that. And then also the management, both pharmacological, non-pharmacological, and any, uh, surgical or ICU-based managements involved, and also the complication and their management also. Structure this into a 20 marks DNB answer.

Create a 20-mark DNB answer on acute pancreatitis