Isoechic
Isoechic refers to a condition in which the heart's chambers are of equal size, meaning the left and right ventricles and atria are all the same size. This is a rare congenital heart defect, typically occurring in about 1 in 10,000 births. In isoechic hearts, the heart's chambers do not have the normal size differences, with the left ventricle being the largest and the right atrium being the smallest in a typical heart.
Isoechic hearts can function normally, but they may also cause symptoms such as shortness of breath, fatigue,
The exact cause of isoechic hearts is not fully understood, but it is believed to be related