tachyarrhythmia
/ˌtækiəˈrɪðmiə/
noun
- An abnormally fast and irregular heartbeat.
- The patient was diagnosed with tachyarrhythmia after complaining of a racing, fluttering heart.
- Severe tachyarrhythmia can lead to dizziness, shortness of breath, and fainting.
- Doctors used an electrocardiogram to detect the tachyarrhythmia and determine the best treatment.