Definition of tachycardia in English:


Syllabification: tach·y·car·di·a
Pronunciation: /ˌtakiˈkärdēə


  • An abnormally rapid heart rate.
    More example sentences
    • Rapid heartbeat turns into tachycardia and a heart attack is a myocardial infarction.
    • Caffeine may also have a direct effect on the cardiovascular system of the fetus leading to tachycardia and other arrhythmias.
    • However, a patient activated electrocardiograph showed ventricular tachycardia during a symptomatic spell.


late 19th century: from tachy- 'swift' + Greek kardia 'heart'.

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