Citation, DOI & case data
Known history of sarcoidosis.
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Upper lobe predominant pulmonary scarring, but no edema or pneumonia. Biventricular pacemaker appropriately positioned.
Although the lungs are the most commonly affected organ in sarcoidosis, about 25% of cases will have cardiac involvement, but most cardiac sarcoid is asymptomatic. Although not visible on a chest x-ray, non-caseating granulomas can involve the cardiac conduction system, which may result in fatal arrhythmias. In this case, the patient did have involvement of the cardiac conduction system, necessitating pacemaker placement.