It is important to take a little time to plan for your search. Think about what terms will work best to discover the articles, consider synonyms as authors may have used variations in their work. Select a database based on the kind of content that is included there. You can find a description as well as the publications that are included. Databases typically have a place to explore that. Don't hesitate to ask a librarian questions you may have.
A select list of journals that cover Health IT topics.
Diseases and Conditions (clinical topics)
Technology, engineering (design and devices)
Health policies, administration (business angle)