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 may suggest any infections, abnormal motor activity suggests seizures or post ictal state. Headache is a very important feature to rule out stroke, meningitis or any other intra cranial lesions. Sever diaphoresis indicates dehydration and metabolic disturbance.
- Drug history
Changes in recent drug regimen or any other drug usage. Polypharmacy can be a cause or result of confusion in elderly individuals. In young patients any history of illicit drug usage has to be noted. As those drugs can cause confusion and their withdrawal states can manifest the same.