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An arrhythmia of the heart is defined as "any variation from the normal rhythm or rate of the heart beat."[1]

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History and physical examination

Patients with arrhythmias may have dizziness or palpitations.[2]


  1. National Library of Medicine. Arrhythmia. Retrieved on 2007-12-20.
  2. Hoefman, E., Boer, K. R., van Weert, H. C., Reitsma, J. B., Koster, R. W., & Bindels, P. J. (2007). Predictive value of history taking and physical examination in diagnosing arrhythmias in general practice. Fam. Pract., 24(6), 636-641. Retrieved December 20, 2007, from