The practice of monitoring the effects of medical drugs, especially in order to identify and evaluate previously unreported adverse reactions. In his job as a pharmacovigilance officer, Andrew develops diagnostic tools to improve drug safety. Medical repetitive fits or crises: That clinic offers a holistic medecine approach to treat both the body and the mind sometimes even using practises from eastern traditions such as meditation or acupuncture.
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Questions to Ask about Your Diagnosis. Types of Cancer Treatment. A to Z List of Cancer Drugs. Questions to Ask about Your Treatment. Questions to Ask About Cancer. Talking about Your Advanced Cancer. Planning for Advanced Cancer. Advanced Cancer and Caregivers. Questions to Ask about Advanced Cancer. Finding Health Care Services. Adolescents and Young Adults with Cancer. Reports, Research, and Literature. There are two main kinds of controlled vocabulary tools used in libraries: While the differences between the two are diminishing, there are still some minor differences.
Historically subject headings were designed to describe books in library catalogs by catalogers while thesauri were used by indexers to apply index terms to documents and articles. Subject headings tend to be broader in scope describing whole books, while thesauri tend to be more specialized covering very specific disciplines. Also because of the card catalog system, subject headings tend to have terms that are in indirect order though with the rise of automated systems this is being removed , while thesaurus terms are always in direct order.
Subject headings also tend to use more pre-coordination of terms such that the designer of the controlled vocabulary will combine various concepts together to form one authorized subject heading. Lastly thesauri list not only equivalent terms but also narrower, broader terms and related terms among various authorized and non-authorized terms, while historically most subject headings did not.
For example, the Library of Congress Subject Heading itself did not have much syndetic structure until , and it was not until when it began to adopt the thesauri type term " Broader term " and " Narrow term ". The terms are chosen and organized by trained professionals including librarians and information scientists who possess expertise in the subject area.
Controlled vocabulary terms can accurately describe what a given document is actually about, even if the terms themselves do not occur within the document's text. Choosing authorized terms to be used is a tricky business, besides the areas already considered above, the designer has to consider the specificity of the term chosen, whether to use direct entry, inter consistency and stability of the language.
Lastly the amount of pre-co-ordinate in which case the degree of enumeration versus synthesis becomes an issue and post co-ordinate in the system is another important issue. When indexing a document, the indexer also has to choose the level of indexing exhaustivity, the level of detail in which the document is described.
For example, using low indexing exhaustivity, minor aspects of the work will not be described with index terms. In general the higher the indexing exhaustivity, the more terms indexed for each document. In recent years free text search as a means of access to documents has become popular.
This involves using natural language indexing with an indexing exhaustively set to maximum every word in the text is indexed. Many studies have been done to compare the efficiency and effectiveness of free text searches against documents that have been indexed by experts using a few well chosen controlled vocabulary descriptors. Controlled vocabularies are often claimed to improve the accuracy of free text searching, such as to reduce irrelevant items in the retrieval list.
These irrelevant items false positives are often caused by the inherent ambiguity of natural language. Take the English word football for example. Football is the name given to a number of different team sports.
Worldwide the most popular of these team sports is association football , which also happens to be called soccer in several countries. The word football is also applied to rugby football rugby union and rugby league , American football , Australian rules football , Gaelic football , and Canadian football. A search for football therefore will retrieve documents that are about several completely different sports.
Controlled vocabulary solves this problem by tagging the documents in such a way that the ambiguities are eliminated. Compared to free text searching, the use of a controlled vocabulary can dramatically increase the performance of an information retrieval system, if performance is measured by precision the percentage of documents in the retrieval list that are actually relevant to the search topic.
In some cases controlled vocabulary can enhance recall as well, because unlike natural language schemes, once the correct authorized term is searched, there is no need to search for other terms that might be synonyms of that term. However, a controlled vocabulary search may also lead to unsatisfactory recall , in that it will fail to retrieve some documents that are actually relevant to the search question.
He watched the symptoms with a sort of medical air, as if counting seconds. A place in which the dead are laid to await the coming of the medical student. These cures are based on the ignorance of the medical profession.
MatchPoint also features a concept searching technology that automatically generates a thesaurus directly from the enterprise's own document set and uses .
Medical Terminologies at NLM. MeSH. MeSH is the National Library of Medicine's controlled vocabulary thesaurus. It consists of sets of terms naming descriptors in a hierarchical structure that permits searching at various levels of specificity. Medical synonyms and Medical antonyms. Top synonym for medical (another word for medical) is therapeutic.
synonyms in medical terminology Learn with flashcards, games, and more — for free. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a .