blood quinidine metabolism measurement brain uptake index of quinidine 2019-05-22T16:36:38Z BUI of quinidine CMO:0003186 PMID:24985475 This is a calculated measurement in which the amount of quinidine in brain 15 seconds after an injection of quinidine into the carotid artery is divided by the injected amount of quinidine and presented as a percentage. VT:0000075 clinical_measurement_ontology percentage of injected quinidine found in brain sjwang