This usually requires a potassium level of 6.5 or greater and frequently appears as in "intraventricular conduction delay" or IVCD ... of all hyperkalemic ECG changes within seconds of ...

Upon review of this body and the described ECG findings ... most commonly attributed to RBBB or an unspecific intraventricular conduction delay. Only one case within a case series linked cocaine ...

and found that LBBB was associated with a significantly higher risk of mortality compared to other ECG patterns, including RBBB and non-specific intraventricular conduction delay (NIVCD ...