The moderator band (MB) is an intracavitary structure of the right ventricle composed of muscular fibers encompassing specialized Purkinje fibers. separated each other by collagen and adipose tissue. In the last decades. premature ventricular complexes originating within the Purkinje network have been implicated in the genesis of life-threatening arrhythmias. https://spencertifieders.shop/product-category/phones/