HLTH230 Study Guide - Midterm Guide: Biomedicine, Blood Pressure, Mhealth

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Introduction to the course: unit 1 lecture 1. Wikipedia definition: (cid:862)health informatics deals with the resources, devices, and methods required to optimize the acquisition, storage, retrieval, and use of information in health and (cid:271)io(cid:373)edi(cid:272)i(cid:374)e. (cid:863) Three components: health care, information science, computer science. Another perspective: health informatics = health + informatics. What is informatics: science of information, studies the structure, algorithms, behaviour, and interactions of natural and artificial systems which store, process, access, and communicate information. E. g. , blood pressure measurements: stored in raw form, contained in a database. Terminology is required to describe a data model. Knowledge: defined relationships between data and concepts, e. g. , >= 140/90 mmhg at rest is hypertension, global rules about the world, normally, formulated from data analysis, contained in a knowledge base, a knowledge model is called ontology. Information: obtained by applying knowledge to data, related to order and novelty. Free-text physician notes are less informative than structured reports.