noun

• An abnormally rapid heart rate.

  ‘Rapid heartbeat turns into tachycardia and a heart attack is a myocardial infarction.’

  More example sentences

  • ‘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.’
  • ‘Other adverse physical effects include dry mouth, blurred vision, palpitations, tachycardia, and postural hypotension.’
  • ‘Early clinical signs include tachycardia and tachypnoea, mild pyrexia, basal crepitations, and dependent oedema.’