Confusion history and symptoms

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Aditya Govindavarjhulla, M.B.B.S. [2]

Overview

Confused patients will not be able to provide a coherent history. Confirming the history with patients caregiver is the key to get good history about the patient. Determining the patients drug history and co morbid conditions is very important. In young patients drug abuse and withdrawal should be evaluated. Few assessment scales are used to identify and diagnose confusion. Confusion Assessment Method , Mini Mental Status Examination, The Neelon and Champagne (NEECHAM) Confusion Scale.

History and symptoms

In case of confusion , goal of the physician is to determine the cause of the condition and identifying the risk factors. As the person will be disoriented the history has to be checked with his family or caregivers.

History regarding certain aspects have to be inquired.

• Onset of symptom and progression

If its sudden in onset it can be due to stroke or hemorrhage into the brain. If its over minutes to hours it can be due drugs or metabolic causes like hypoglycemia, hypokalemia. If its over hours to days it an be due to some underlying disease like kidney or liver failure or infections. If its gradually progressing over months considering other diagnosis like dementia is essential

• Any previous episodes

Previous episodes of confusion are important to identify risk factors and determine the prognosis. Repeated episodes can be a clue to underlying structural problem or untreated co morbid conditions or metabolic derangement.

• Associated symptoms - fever, shortness of breath, headache - clue to underlying disease
• Recent changes in any drug regimen, drug abuse, drug withdrawal
• Abnoraml motor activity - seizures