arrhythmia
1. [ noun ] (medicine) an abnormal rate of muscle contractions in the heart
Synonyms: cardiac_arrhythmia
Related terms: heart_disease heart_block cantering_rhythm tachycardia ventricular_fibrillation flutter bradycardia premature_ventricular_contraction atrial_fibrillation
Similar spelling:   arrhythmical
  arrhythmic
  arithmetician