2:1 AV BlockDual AV nodal pathwaysHeart blockSyncopeTrifascicular block7 Min Read Pendell MeyersonJune 27, 2024 A woman in her 50s with multiple episodes of syncope By Sofiya Diurba MD, reviewed by Meyers, Grauer A woman in her 50s with PMH known RBBB and prior syncopal events presents to the ED for five…