Equation
Equation (Medicine)
Equation (pronounced: eh-kway-zhun) is a term used in the field of medicine to denote a mathematical relationship or rule expressed in symbols. In the context of medicine, equations are often used in biostatistics, epidemiology, and medical research to model and predict health outcomes.
Etymology
The term "equation" originates from the Latin word "aequatio" which means "a making equal". It was first used in the English language in the late 14th century.
Related Terms
- Variable: A symbol used to represent a quantity that can change or vary.
- Constant: A value that does not change.
- Coefficient: A numerical or constant quantity placed before and multiplying the variable in an algebraic expression.
- Algebra: The part of mathematics in which letters and other general symbols are used to represent numbers and quantities in equations.
- Function: A relationship or expression involving one or more variables.
- Model (statistics): A mathematical representation of a process, system, or object developed to understand, predict, or control its behavior.
Usage in Medicine
In medicine, equations are used in various ways. For instance, they are used in the calculation of Body Mass Index (BMI) which is a measure of body fat based on height and weight. They are also used in the calculation of Glasgow Coma Scale which is a neurological scale that aims to give a reliable and objective way of recording the conscious state of a person.
Equations are also used in pharmacokinetics to calculate drug dosages, in epidemiology to model the spread of diseases, and in medical imaging to process and analyze images.
External links
- Medical encyclopedia article on Equation
- Wikipedia's article - Equation
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