The absence or loss of normal rhythm; a state of being without regular rhythmic pattern.
Greek 'a-' (without) + 'rhythmos' (rhythm) + '-y' (noun suffix). This noun form directly names the condition of lacking rhythm, similar to how 'arrhythmia' works in medical terminology.
In neurology, arrhythmy of brain waves can indicate certain sleep disorders or neurological conditions, which is why EEGs (brain wave monitors) are crucial for diagnosing epilepsy and other conditions.
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