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Updated: Jul 2, 2026

Clinical Application of Phase Angle and BIVA Z-Score Analyses in Patients Admitted to an Emergency Department with Acute Heart Failure
Published on: June 30, 2023
Enhanced normalization of emergency department chief complaints
Michael S Aswell1, Samuli T Niiranen, Larry A Nathanson
1GMS Boston University, Boston, MA, USA.
Abstract:
There is a need for an efficient and effective means of categorizing Emergency Department Chief Complaints. We improved the performance of our previously described learning normalizer algorithm by broadening its training set to include data from multiple hospitals. We also achieved a statistically significant additional improvement by incorporating a spell-checking algorithm.
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