Services at Banner Heart Hospital  

Types & Symptoms of Cardiac Arrhythmias 


How common is cardiac arrhythmia?

Cardiac arrhythmia is highly prevalent, with atrial fibrillation alone affecting approximately 2.5 million people in the United States.

Many patients with atrial fibrillation have underlying heart disease that also needs treatment.

Types of Cardiac Arrhythmias
There are several types of cardiac arrhythmias:

  • “Extra" heart beats, known as premature atrial complexes (PACs) or premature ventricular complexes (PVCs)
  • Bradycardias, or arrhythmias that make the heart rhythm too slow
  • Tachycardias, or arrhythmias that make the heart rhythm too fast. One of the most common tachyarrhythmias is atrial fibrillation
  • Disorders affecting the bundle branches, referred to as bundle branch block, or BBB. While BBB is not strictly a cardiac arrhythmia, it is a disorder in the pattern of conduction of the electrical signal

Symptoms of Cardiac Arrhythmias
Despite the fact that there are many different cardiac arrhythmias, the symptoms caused by these arrhythmias generally fall into only four major categories. Follow the links to learn more about these symptoms, and what kinds of arrhythmias may cause them.

  • Palpitations
  • Dizziness
  • Syncope (loss of consciousness)
  • Cardiac arrest
Banner Heart Hospital
6750 E. Baywood Ave.
Mesa, AZ 85206
(480) 854-5000
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