Complete heart block (CHB) is a disruption in electrical impulses to travel from atria to ventricles and can rarely be caused by myocardial bridging (MB). where cardiac tissue compresses a coronary artery during systole. The incidence of MB ranges from 0. 5 % to 16 % in coronary angiography patients. https://pipingrockers.shop/product-category/pine-pollen-powder/