When right atrial enlargement occurs, it does not take longer for cardiac action potentials to travel through the atrial myocardium (similar to left atrial enlargement). However, the amplitude of ...

These tumors are present in the myocardium and are often multiple ... indicating fibrous tissue. la: Left atrium; lv: Left ventricle; ra: Right atrium; rv: Right ventricle.

When left atrial enlargement occurs, it takes longer for cardiac action potentials to travel through the atrial myocardium ... when the depolarization of the right atrium and left atrium are ...