1 The majority of disorders associated with increased risk of sudden cardiac death (SCD), such as cardiomyopathies and primary electrical diseases, are suggested by abnormal findings present on an ECG ...

This usually requires a potassium level of 6.5 or greater and frequently appears as in "intraventricular conduction ... for a left or right bundle branch block. Frequently an IVCD will look ...

Hyperkalemia causes peaked T waves initially, then an intraventricular conduction ... type I or second-degree type II AV block (see 2:1 AV block ECG Review). A posterior wall MI shows ST ...