What are the four criteria in the Confusion Assessment Method?
1) Acute onset and fluctuating course, Inattention, Memory Impairment, Psychomotor agitation
2) Acute onset and fluctuating course, Inattention, Disorganized thinking, and Altered level of consciousness
3) Acute onset and fluctuating course, Altered sleep-wake cycle, Memory impairment, and disorganized thinking
4) Acute onset and fluctuating course, Perceptual disturbances, Disorientation, and Altered level of consciousness