Transthoracic echocardiography is used to diagnose cardiomyopathies and valvular heart diseases as causes of<unk>  degree heart block.  Transesophageal echocardiogram aids in the diagnosis of valvular abnormalities like valve abscesses.  Left ventricular function can be determined using an echo, before placement of a pacemaker or defibrillator.
Third degree AV block echocardiography
Second degree AV block echocardiography
First degree AV block echocardiography
Third degree AV block CT scan
Second degree AV block physical examination
First degree AV block physical examination
Third degree AV block physical examination
Ventricular tachycardia echocardiography