Left Anterior Oblique View Showing Atrial, Left Bundle Branch Pacing, and Right Bundle Branch Pacing Leads

Left Anterior Oblique View Showing Atrial, Left Bundle Branch Pacing, and Right Bundle Branch Pacing Leads

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Left bundle branch pacing (LBBP) is effective in patients with heart failure, left ventricular ejection fraction (LVEF) of ≤35%, and a widened QRS complex. LBBP leads to iatrogenic incomplete right bundle branch block (iRBBB). Bi-bundle pacing can resolve iRBBB, further narrowing the QRS duration, and may improve LVEF. (Level of Difficulty: Advance...

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