Cardiac hydatid disease or echinococcosis is a rare complication of Echinococcus granulosus infection. Traditionally, the diagnosis is made with two-dimensional transthoracic echocardiography. This case report shows the complementary function of the different echo modalities (two-dimensional, three-dimensional, and contrast echocardiography) and MRI in the evaluation of pericardial hydatid cyst.