Figure 3From: A new method of building permanent A-V block model: ablating his-bundle potential through femoral artery with pre-implanted biventricular pacemaker HE staining of ablated tissue. A. Light microscope of the first group (×20), ablated tissue presented as coagulation necrosis. B. Light microscope of the first group (×40), proliferation of the fibroblast cells. C. Light microscope of the second group (×20), infiltration of chronic inflammatory cells. D. Light microscope of the second group (×40), vacuolization of lipocytes.Back to article page