Aneurysm left atrial appendage

Aneurysms of the atrial appendages are rare and extremely rare clinical entities. It can be confused with pericardial cyst, coronary artery aneurysm, left ventricular pseudo-aneurysm and partial or complete congenital absence of the pericardium. Usually clinically asymptomatic, diagnosed as incidental finding by the presence of heart murmur or cardiomegaly on chest radiograph, it can also manifest in the presence of supraventricular arrhythmias or systemic embolism. The treatment of this pathology makes aneurysmectomy. For 3-year preschool heart murmur and echocardiographic finding of insufficiency Mitral and aneurysmal dilation of the left atrial appendage it is presented.