arrhythmic

/əˈrɪðmɪk/
adjective
  1. Having an irregular or abnormal rhythm, especially of the heartbeat.
    • The ECG showed an arrhythmic pattern that needed further testing.
    • After running too fast, he felt an arrhythmic fluttering in his chest.
    • The patient's arrhythmic pulse worried the nurse, so she called the doctor.
  2. Lacking a regular beat or pattern; not rhythmic.
    • Her breathing became arrhythmic as she tried to calm down from the scare.
    • The arrhythmic drumming made it hard for the dancers to follow the music.
    • The old engine had an arrhythmic sputter that sounded like it might stall.
What does "arrhythmic" mean? | whatsthatwordmean | whatsthatwordmean