Echocardiography, also known as echo test or heart ultrasound is a noninvasive painless test that uses ultrasound to visualize the shape, size, and movement of the structures of the heart.

Cardiovascular System Anatomy and Physiology

The heart, blood, and blood vessels are the major components of the cardiovascular system. Like the bustling factory, the body must have a transportation system to carry its various cargos back and forth, and this is where the cardiovascular system steps in.