confusion

Introduction

A mental state in which reactions of a person or patient to environment is inappropriate due to bewilderment or inability to orient.

Etiology

• delirium
• dementia
• psychosis
• pharmaceutical agents

Differential diagnosis

• confusion & restlessness are often manifestations of agitation in the elderly

More general terms

• thought disorder

Additional terms

• confusion assessment method (CAM)
• pharmaceutical agents associated with confusion