Module 2—Introduction to Medical Subject Headings (MeSH) and the MeSH Browser

Introduction

Module 1
Subject Analysis Principles

• Review Questions

Module 2
Introduction to Medical Subject Headings (MeSH) and the MeSH Browser

• Review Questions

Module 3
Selecting the Main Concept

• Review Questions

Module 4
Use of Topical Subheadings in MeSH

• Review Questions

Module 5
Geographic Headings

• Review Questions

Module 6
Publication Types

• Review Questions

Module 7
Names as Subjects

• Review Questions

Module 8
Deconstructed Headings vs. Subject Strings

• Review Questions

History Note

• Information deemed helpful to the online searcher about changes made to the heading over time
  • Example
    • The record for Norovirus contains the history note For SMALL ROUND-STRUCTURED VIRUSES use NORWALK VIRUS 1992-2001

Online Note

• Information written for assistance in retrospective searching

• Beginning in 1996, this information has been superseded by the history note
  • Example
    • The record for Blood Substitutes contains the online note search PLASMA SUBSTITUTES 1966-80

Previous Indexing

• Information referring to descriptors or descriptor/qualifier combinations which were used to index/catalog the concept before the current descriptor was created
  • Example
    • The record for Hypertension, Pregnancy-Induced has a previous indexing of Pregnancy Complications, Cardiovascular (1970-2004)

Pharmacological Action

• Reference to a descriptor describing the functional aspect of a chemical which is often coordinated with the chemical term
  • Example
    • Aspirin can be used to treat inflammation, dissolve blood clots, or prevent aggregation of blood platelets so the record contains references to Anti-Inflammatory Agents, Non-Steroidal, Cyclooxygenase Inhibitors, Fibrinolytic Agents, and Platelet Aggregation Inhibitors

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