Tesla
Tesla (medical)
Tesla (pronounced: /ˈtɛslə/) is a unit of magnetic field strength in the International System of Units (SI) named after the physicist Nikola Tesla. It is commonly used in medical imaging, particularly in magnetic resonance imaging (MRI).
Etymology
The term "Tesla" is derived from the last name of the Serbian-American inventor, Nikola Tesla, who made significant contributions to the development of alternating current electrical systems. The International System of Units (SI) adopted "Tesla" as the unit of magnetic field strength or magnetic flux density in his honor.
Definition
In medical terms, a Tesla is a unit of measurement used to quantify the strength of a magnetic field. Specifically, one Tesla is equal to one Weber per square meter. The Tesla is a large unit, and most measurements are made in sub-units such as the millitesla (mT) or microtesla (µT).
Usage in Medicine
In the field of medicine, the Tesla is most commonly used in the context of magnetic resonance imaging (MRI). MRI machines are often classified based on their magnetic field strength, with common clinical systems operating at 1.5 Tesla or 3 Tesla. Higher field strengths, such as 7 Tesla, are used in research settings and provide increased resolution and better signal-to-noise ratio, but also present more technical challenges.
Related Terms
- Magnetic Resonance Imaging (MRI): A medical imaging technique used in radiology to visualize detailed internal structures.
- Magnetic Field: A field of force produced by electric charge in motion.
- Weber (unit): The SI unit of magnetic flux.
- International System of Units (SI): The modern form of the metric system.
External links
- Medical encyclopedia article on Tesla
- Wikipedia's article - Tesla
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