arrhythmias
/əˈrɪðmiəz/
noun
- Irregular or abnormal heartbeats, where the heart beats too fast, too slow, or unevenly.
- The doctor said that most arrhythmias are harmless and don't require treatment.
- After feeling dizzy, she was diagnosed with a type of arrhythmia called atrial fibrillation.
- Stress and too much caffeine can sometimes trigger minor arrhythmias in healthy people.