Figure Legends
Figure 1 - Left sided contrast venography (left panel) demonstrating lead-related left subclavian venous occlusion (blue arrow). Retrograde venography (right panel) delineates site of vessel recanalisation (red arrow).
Figure 2/VIDEO 1 - A collateral branch is identified and wired using a J-wire (0.035) to guide direct left sub-clavicular percutaneous puncture, bypassing the occluded left subclavian vein.
Figure 3 - Intracardiac electrograms confirm supra-Hisian AV block (HV association maintained) and evidence of His injury current (blue arrows left panel). His-QRSend interval 192ms (left panel). With His pacing stim-QRSend reduced to 158ms (right panel).