cerebral angiography

a noninvasive technique for examining brain structure by taking X-rays after special dyes have been injected into cerebral blood vessels. Inferences about adjacent tissue can be made from examination of the principal blood vessels. It has been largely superseded by techniques based on magnetic resonance imaging, such as magnetic resonance angiography. Also called cerebral arteriography.

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Psychology term of the day

January 19th 2025

drug holiday

discontinuance of a therapeutic drug for a limited period in order to control dosage and side effects and to evaluate the patient’s response with and without it. At one time commonly recommended for children taking methylphenidate, drug holidays on weekends or school vacations were thought to prevent growth suppression that was tentatively associated with this agent. Drug holidays are infrequent in modern clinical practice.