variants:
or S-T segment \
ˌes-ˈtē- 
\
\
Medical Definition of ST segment
: the part of an electrocardiogram between the QRS complex and the T wave
… he had no chest pain, lacked a high coronary risk profile, and had normal ST segments on maximal effort.— John Davis Cantwell, Physician and Sportsmedicine
Learn More About ST segment
Cite this Entry
“ST segment.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ST%20segment. Accessed 30 Jun. 2022.
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