“…Cysts usually affect the liver and lungs, but other organs may also be involved such as thyroid, mediastinum, and the heart. 3 Cardiac echinococcosis is rare, but when present, the cysts are mostly intramyocardial, in the interventricular septum or left ventricular free wall. Although cardiac echinococcosis is usually asymptomatic in its early stages, cyst development in some locations adjacent to essential cardiac structures may cause a variety of symptoms and signs, such as dyspnea, chest pain, arrhythmia, embolisms, heart failure, and anaphylactic shock.…”