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. 2019 Jul 26;18(3):2213–2218. doi: 10.3892/etm.2019.7818

Figure 4.

Figure 4.

(A) Cardiac resynchronization therapy leads in the anteroposterior position X-ray imaging. (B) RAO 45 angle X-ray imaging displaying the original lateral vein mid-distal segment occlusion following left ventricular lead extraction (arrow). (C) LAO 45 angle X-ray imaging. Right ventricular double site pacing was selected due to original lateral vein occlusion. a, right atrial lead; b, one of the right ventricular leads; c, the remaining right ventricular lead; LAO, left anterior oblique; RAO, right anterior oblique.