706afa36_kipedia__the_free_encyclopedia__Description
[Feature] ST segment [Pathology] It is usually isoelectric, but may be depressed or elevated with myocardial infarction or ischemia. ST depression can also be caused by LVH or digoxin. ST elevation can also be caused by pericarditis, Brugada syndrome, or can be a normal variant (J-point elevation). [Description] 
The ST segment connects the QRS complex and the T wave; it represents the period when the ventricles are depolarized.
Electrocardiography - Wikipedia, the free encyclopedia