Echo
Echo (Medical Term)
Echo (pronounced: /ˈekoʊ/) is a term used in the field of medicine to refer to a sound or series of sounds caused by the reflection of sound waves from a surface back to the listener. In medicine, it is often used in the context of medical imaging and diagnostics, particularly in relation to ultrasound technology.
Etymology
The term "echo" originates from the Greek word "ēchos", which means sound or reverberation. It was first used in the medical context in the mid-20th century with the advent of ultrasound technology.
Related Terms
- Echocardiography: A diagnostic test that uses ultrasound waves to produce images of the heart.
- Echogram: The visual representation of an ultrasound examination.
- Echolalia: A psychiatric term referring to the automatic repetition of vocalizations made by another person.
- Echogenicity: The ability of a tissue to cause an echo, i.e., to reflect ultrasound waves.
- Echopraxia: A psychiatric term referring to the automatic repetition of movements made by another person.
See Also
External links
- Medical encyclopedia article on Echo
- Wikipedia's article - Echo
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