Cardiac sarcoid is an infiltrative, granulomatous disease of the myocardium. It is more prevalent entity than once believed, especially subclinical disease. It affects heart mechanics causing ventricular failure, and disrupts the cardiac electrical system leading to third degree heart block, malignant ventricular arrhythmias, and sudden cardiac death. This makes early diagnosis and treatment of this devastating disease essential. Based on reviewed literature this paper proposes step‐wise diagnostic and therapeutic algorithms for patients with suspected cardiac sarcoidoisis who do or do not have prior history of systemic sarcoidosis. Clin. Cardiol. 2012 DOI: 10.1002/clc.21982The authors have no funding, financial relationships, or conflicts of interest to disclose.Special thanks to Dr. Maziar Zafari for his help with the editing process.

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