Diagnostic Criteria in Cardiac Sarcoidosis

Inclusion Criteria12

• patients with suspected CS due to the following presentations:
• age < 65 years and new higher degree AV block, causative coronary artery disease excluded
• age < 65 years and new ventricular tachycardia, causative coronary artery disease excluded
• age < 65 years and ventricular tachycardia, causative coronary artery disease excluded
• extracardiac sarcoidosis and cardiac involvement suggested (palpitations, abnormal ECG, abnormal echocardiography)
• To diagnose CS one of the following diagnostic tools will be used:
• A) World Association of Sarcoidosis and Other Granulomatous Disorders (WASOG)
• B) Heart Rhythm Society expert consensus statement on the diagnosis and management of arrhythmias associated with cardiac sarcoidosis
• C) Japanese Society of Nuclear Cardiology (JSNC)
• Patients whit histological confirmation from myocardial tissue fullfil will be defined as proven CS. (Group 1)
• Patients with clinical and imaging findings highly suggesting CS, but without histological confirmation from myocardial biopsy will be defined as probable CS (Group 2)
• Patients who do not fullfil the criteria or exhibiting findings suggesting an alternative, more likely diagnosis, will be considered as unlikely CS (Group 3)