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The heart is a hollow muscular organ that is approximately the size of the person’s clenched fist.  The heart’s pumping action is controlled by its electrical system, which produces the heart rhythm.

Arrhythmias, or irregular heart rhythms, are disturbances in the normal beating pattern of the heart.  It is a condition that can grow progressively worse over time.


Symptoms may include:

  • palpitations
  • feeling of skipped beats
  • chest pain
  • shortness of breath
  • fainting
  • lightheadedness
  • dizziness
  • weakness or fatigue

Causes may include:

  • cells that start to beat rapidly resulting in tachycardia or rapid disorganized electrical activity
  • changes in the heart muscle
  • an extra pathway between the atria and the ventricles for electrical conduction

Treatment may include:


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Robert Wood Johnson University Hospital Hamilton Hamilton. Phone: 609-586-7900 Physician Referral: 609-584-5900.

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