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Noun: tachycardia  ,ta-ku'kaa(r)-dee-u
  1. Abnormally rapid heartbeat (over 100 beats per minute)
    "His tachycardia was triggered by anxiety"

Derived forms: tachycardias

Type of: arhythmia, arrhythmia, cardiac arrhythmia

Encyclopedia: Tachycardia, sinus