the screen of an ultrasound device with the image of four chambers of the heart.

analyzing aorta artery atrium blood cardiologist care cavity colors computer device diagnosis diagnostic doppler echocardiogram echocardiography equipment examination focus health healthcare heart hospital image imaging instrument machine medical mitral monitor procedure pulse scan scanner scanning science screen septum sonography stenosis technology tool trace tricuspid ultrasonic ultrasound valve valvular vein ventricle visual