It is not an uncommon EKG tracing, often meaningless and requires supporting evidence for any dx. There are heart drugs e.g.,
digoxin, quinidine, tricyclics, and many others and there can electrolyte abnormalities of potassium, magnesium, calcium that will cause an non-specific ST-
The electrical impulses follow a conductive pathway and non-specific intra ventricular indicates there may be a right side interruption (in matter discussed, can be left side) to an impulse causing dyssynchrony.