ARYTHMIA is validvalid

an irregularity in the rhythm of the heartbeat

58,501 of 196,601 in NWL2023·also valid in CSW24

absence or irregularity of rhythm e.g. of the heart, also ARHYTHMIA, ARRHYTHMIA

12,999 of 280,887 in CSW24·also valid in NWL2023

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