BUMC MEDLINE Plus/OVID Tutorial

Boston University Medical Center
Alumni Medical Library

Tutorial Menu Options
Tutorial Home
Instructions for Using this Tutorial
Developing Your Search Strategy
Formulating Your Question
Choosing An Appropriate Database
Selecting the Best Terms
Advantages and Disadvantages of Text Word and Title Word Searching
Selecting the Best Medical Subject Headings
Quiz Section I: Text Word vs. MeSH Searching
Mapping
Subheadings
Tree Display
Explode Function
Focus Function
Combining Sets
Quiz Section II: Combining Sets
Limiting
Quiz Section III: Reviewing the Explode, Focus, Subheadings, and Limit Options
Viewing or Displaying Search Results
Full Text Options
Printing, E-Mailing, and Saving Search Results
Ordering Articles
Searching Tips, Hints, & Reminders
Tutorial Evaluation
Additional Tutorial Topics
Explaining OVID's Main Menu Icons
Searching for a Specific Author
Searching for Title Words
Searching for Journal Names


For More Information...
You will exit this tutorial when you click on the links below:

O V I D Tree Display
We now know that we want to Explode and Focus this search.

Explode the term "heart diseases" by clicking in the EXPLODE checkbox next to the heart diseases term.

Focus by clicking in the the FOCUS checkbox next to the heart diseases term.

Then, click on the CONTINUE button to go to the next screen.

Continue

Tree for: Heart Diseases
 Select Subject Heading  Hits  Explode  Focus 
   Heart Diseases 6195
   Arrhythmia4861
    Carcinoid Heart Disease49
    Cardiac Output, High25
    Cardiac Output, Low1302
    Cardiac Tamponade738
   Cardiomegaly1811
   Endocarditis582
    Heart Aneurysm594
   Heart Arrest2851
   Heart Defects, Congenital4662
   Heart Failure, Congestive10821
    Heart Neoplasms1793
   Heart Rupture152
   Heart Valve Diseases2193
   Myocardial Diseases2600
   Myocardial Ischemia9168
    Pericardial Effusion988
   Pericarditis561
    Pneumopericardium89
    Postpericardiotomy Syndrome25
    Pulmonary Heart Disease213
    Rheumatic Heart Disease600
   Ventricular Dysfunction306
    Ventricular Outflow Obstruction492