The ECG findings include: Peaked T waves best seen in the precordial leads, shortened QT interval and, at times, ST segment depression CLINICAL PEARL: If you see an IVCD, think of hyperkalemia.

Physicians may modify the ECG criteria or diagnostic testing based on past experience, practice setting or the presence or absence of concerning symptoms or family history.

which is characterized by a widened QRS complex of > 120 ms that does not meet the criteria for a left or right bundle branch block. Frequently an IVCD will look like a left bundle branch block in ...