Analytical, Diagnostic and Therapeutic Techniques, and Equipment [E] » Investigative Techniques [E05] » Physical Stimulation » Electric Stimulation » Chronaxy
Phenomena and Processes [G] » Physiological Phenomena [G07] » Electrophysiological Phenomena » Chronaxy
Phenomena and Processes [G] » Musculoskeletal and Neural Physiological Phenomena [G11] » Nervous System Physiological Phenomena » Chronaxy
Description
The shortest duration of an electrical stimulus where the threshold amplitude is twice the rheobase - the minimum required for eliciting an ACTION POTENTIAL at any time period. It is a measure of the excitability of nerve or muscle tissue, and is characteristic of types and/or condition of the nerve or muscle cells in the tissue. MeSH
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