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His Bundle Pacing Versus Biventricular Pacing for Left Bundle Branch Block
(Top) Noninvasive epicardial RV and LV activation maps of intrinsic LBBB, His bundle pacing (HBP), and biventricular pacing (BVP). HBP produces a more physiological activation pattern than BVP. (Bottom) HBP produces a greater increase in acute systolic blood pressure and greater reduction in LV activation time than BVP. LBBB = left bundle branch block; LV = left ventricular; RV = right ventricular.
