<unk>  refers to a condition where the left atrium or right atrium of the heart is larger than would be expected. It can also affect both atria. Types include: * Left<unk>  * Right<unk>
Atrial enlargement
Left atrial enlargement
Right atrial enlargement
Ventricular hypertrophy
Aortic unfolding
Atopy
Ectopic beat
Cardiomegaly