Editing Trifascicular block (section)

==Treatment==
An implantable cardiac [[artificial pacemaker|pacemaker]] or permanent [[artificial pacemaker|pacemaker]] is recommended in the following clinical circumstances. Class 1 recommendation is the strongest recommendation. Level A evidence is the highest level of evidence. {{cn|date=February 2021}}

''Class I''
* [[Bifascicular block]] + [[complete heart block]], even in the absence of symptoms (1b)
* [[Bifascicular block]] + [[Second-degree atrioventricular block|2nd degree AV Block]] Type 2, even in the absence of symptoms (1b)
* Alternating [[bundle branch block]]s, even in the absence of symptoms (1c)

''Class II''
* [[Bifascicular block]] + [[Syncope (medicine)|syncope]] + alternative causes ruled out (e.g. orthostasis, arrhythmia) (2a)

''Class III'' (i.e. [[artificial pacemaker|pacemaker]] not recommended)
* [[Bifascicular block]] without symptoms
* [[Bifascicular block]] + [[First-degree atrioventricular block|1st degree AV Block]], without symptoms