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Case Lab · Type A · Foundation

F29

An unidentified man, no history, first contact

An unidentified man, appearing to be in his 30s, is brought to an emergency department by police after being found acutely agitated and responding to unseen stimuli in a public place. He cannot give a coherent history, no identification or collateral contact is available, and there has been no opportunity yet for extended observation or a medical work-up. Staff note he appears psychotic but cannot yet say more.

What is the best-supported classification?