Our Abnormal Heart Rhythms (Heart Rhythm Disorders) Main Article provides a comprehensive look at the who, what, when and how of Abnormal Heart Rhythms (Heart Rhythm Disorders)
Definition of Tachycardia
Tachycardia: A rapid heart rate, usually defined as greater than 100 beats per minute.
Last Editorial Review: 5/13/2016
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?