LabVis: Simple and Intuitive Visualization of Medical Laboratory Results Adam Bodnar and Dmitry Nekrasovski CPSC 533 Final Project Presentation April 21,

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Presentation transcript:

LabVis: Simple and Intuitive Visualization of Medical Laboratory Results Adam Bodnar and Dmitry Nekrasovski CPSC 533 Final Project Presentation April 21, 2004

Current Method

Project Goals To develop an effective visualization for displaying and interacting with medical laboratory results Must support diagnosis, monitoring of treatment, and education of medical students Evaluate using real scenarios

Vis 1 - Time-Series Overview ProposedDelivered

Vis 2 – Scatterplot View ProposedDelivered

Vis 3 – Test Details ProposedDelivered

LabVis Interface

Visualization Details Colour and transparency Information density Linked highlighting Spatial layout

Usage scenarios Clinician: single patient data Diagnostics: what’s wrong now? Monitoring history over time Clinical researcher: full dataset Overall trends, outliers, …

Thyroid test terminology Primary tests: TSH (thyroid stimulating hormone) FT4 (free thyroxine) Relationship determines likely diagnosis Secondary tests T4, FT3, ATPO, … Used to confirm some diagnoses

Demo! Clinician diagnostic scenario

Evaluation Informal cognitive walkthrough Domain expert user: Dr. Wes Schreiber Non-expert users Results Linked highlighting, colour cues helpful Some suggestions for detail visualization Overall: easy to use, intuitive

Summary LabVis: rapid, intuitive visualization and interpretation of medical laboratory test results