Cardiac Sarcoidosis

What is Cardiac Sarcoidosis?

Sarcoidosis is a disease that results in the development of inflammatory cells called granulomas. Sarcoidosis can affect many areas of the body, including the lungs, lymph nodes, eyes, skin, and heart. Cardiac sarcoidosis (CS) is diagnosed in about 2-5% of all cases of sarcoidosis, however, many who are experiencing the disease do not have severe symptoms and may go undiagnosed.

What Causes Cardiac Sarcoidosis?

The exact cause of cardiac sarcoidosis is unknown; however, it has been linked to genetic causes as well as an overreaction of the immune system. During cardiac sarcoidosis, the immune cells begin to collect into granulomas, building up and affecting the function of the heart. This can be triggered by bacteria, viruses, dust, or chemicals. Certain factors can increase the likelihood of developing cardiac sarcoidosis, including:

  • Age – Those between 20 and 60 are most commonly affected.
  • Gender – Women are more likely to develop the disease.
  • Race – African American individuals are at a higher risk.
  • Family history – A family history of sarcoidosis can indicate a higher risk for the disease.

What are the Symptoms of Cardiac Sarcoidosis?

In some cases of cardiac sarcoidosis, no noticeable symptoms occur, or symptoms are very mild and go undetected. When sarcoidosis affects the heart, complications with its rhythm and function, resulting in the following symptoms:

  • Irregular heartbeats (arrhythmias)
  • Heart palpitation (fluttering)
  • Fainting (syncope)
  • Lightheadedness
  • Shortness of breath
  • Coughing or chest tightness

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How is Cardiac Sarcoidosis Treated?

Cardiac sarcoidosis can be difficult to diagnose, but if you experience symptoms or an irregular heartbeat or experience other areas affected by sarcoidosis, Dr. Beshai can perform several different diagnostic tests. An electrocardiogram is one of the first tests Dr. Beshai will suggest, giving him a picture of the heart’s electrical activity to detect any irregularities. He may also suggest a Holter monitor, measuring the heart’s activity for an extended period of time (24-48 hours). An echocardiogram or cardiac MRI can also be used to check for abnormalities in the heart’s structure.

If Dr. Beshai suspects cardiac sarcoidosis, he will begin developing a treatment plan to help manage the disease and prevent complications. The first step is often medications to suppress the immune system and reduce inflammation associated with the disease. If further treatment is needed or the disease progresses, Dr. Beshai might perform a catheter ablation procedure, destroying the abnormal heart tissue causing sarcoidosis. For those who experience more dangerous arrhythmias due to cardiac sarcoidosis, Dr. Beshai might use an implantable cardioverter defibrillator (ICD). An ICD is attached to the heart and delivers an electrical shock to restore the heart’s normal rhythm. 

Scheduling Your Cardiac Sarcoidosis Treatment Appointment

Although cardiac sarcoidosis cannot be cured, Dr. Beshai offers several solutions to managing the condition and preventing its progression. If you experience symptoms of cardiac sarcoidosis or believe you could be at risk for the disease, contact our office and schedule your appointment at the Heart Rhythm Institute of Arizona.

The Heart Institute of Arizona has a wide array of services that come with our premium care. From in-office dianostics and treatable conditions, to hospital based procedures, we’ve got your heart covered.




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Dr. Beshai is internationally renowned and respected. He has been invited all over the world to lecture and speak on his areas of expertise and research. He has published his research in all the major journals including The New England Journal of Medicine, Journal of American College of Cardiology, and more. Upon meeting Dr. Beshai, patients feel an instant connection and level of confidence that puts them at ease.