While they are concentrating intensely, patients may suppress movements. Thus, assessment of TD can be supplemented by requesting that the patient perform additional tasks (eg, tapping fingers one by one against the thumb on one hand while observing the contralateral extremity, counting from 30 backward, or naming three words starting with a certain letter) during the assessment.
Several rating scales for the identification and severity of TD have been developed. The most widely used instrument is the Abnormal Involuntary Movement Scale (AIMS), which was developed by the Psychopharmacology Research Branch of the National Institute of Mental Health. The AIMS can be easily administered in a few minutes and is recommended in patients who are receiving treatment with medications that may cause TD, mainly dopamine blocking antipsychotics or metoclopramide.
Learn more about the AIMS for assessing TD.
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Any views expressed above are the author's own and do not necessarily reflect the views of WebMD or Medscape.
Cite this: Christoph U. Correll. Fast Five Quiz: Assessment of Tardive Dyskinesia - Medscape - Jan 19, 2022.
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