HealthJuly 16, 2026
arrhythmia
/əˈrɪðmiə/
Definition
A condition characterized by an abnormal heart rhythm, where the heart beats too fast, too slow, or with an irregular pattern.
Etymology
Derived from the Greek 'arrhythmia,' meaning 'lack of rhythm,' combining the prefix 'a-' (without) and 'rhythmos' (rhythm). It entered English in the 19th century to describe irregular cardiac activity.
In the news
In this article, arrhythmia is mentioned as a specific pre-existing health condition that may make the ketogenic diet potentially unsafe for certain patients.
Can a 100-Year-Old Diet Help Treat Severe Mental Illness? What the Evidence Shows
Read the full article ↗Medscape