FDA Workshop NLP to Extract Information from Clinical Text
FDA Workshop NLP to Extract Information from Clinical Text
Murthy Devarakonda, Ph.D. Distinguished Research Staff Member PI for Watson Patient Records Analytics Project
IBM Research mdev@us.
*This work is a part of the IBM Watson EMRA (Electronic Medical Records Analytics) project
Watson EMRA Research Initiative
Patient Record
Clinic Note & Reports NLP
Tokens, sentences, parsing, linking to UMLS (CUIs)
Note sections, note type, author, SNOMED CT
Semi-structured Data Analysis (CUIs)
Problem List Generation
Relation Scoring
(Problem to Med, Labs, Procedure)
Semantic Search
Sentence classification Goal: Cognitive Insights from Longitudinal Patient Records
Watson EMRA Research Initiative
Patient Record
Clinic Note & Reports NLP
Tokens, sentences, parsing, linking to UMLS (CUIs)
Note sections, note type, author, SNOMED CT
Semi-structured Data Analysis (CUIs)
Problem List Generation
Relation Scoring
(Problem to Med, Labs, Procedure)
Semantic Search
Sentence classification Goal: Cognitive Insights from Longitudinal Patient Records
Watson EMRA Problem List Generation
EMRA Problem List Accuracy: Recall (Sensitivity) = 0.70 Precision (Positive Predictive Rate) = 0.75
True Problem List Entered Problem List
Watson Problem List
Problem-Oriented Patient Record Summary
Uses generated problems list Relates medications, labs,
procedures, and clinical notes to medical problems Organizes lists in a clinical order Enable one/two click access to raw data such as Notes, labs over a time line, medication history,...
...also, allergies, social history, and demography
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