Complete heart block has a variety of possible causes. in many cases, it may be caused by some type of heart disease, such as: a heart attack. cardiomyopathy (weakening of the heart muscle. A heart blockage is due to plaque buildup in the coronary arteries. a partial blockage may not cause symptoms, but a complete blockage can cause a heart attack.
Heart block types are: first degree heart block: the electrical impulse still reaches your ventricles, but moves more slowly than normal through the av node. this is the most mild type of heart block. second degree (incomplete) heart block: with this type, your heart’s impulses only get to the lower chambers some of the time. Coronary artery disease often develops over many years. symptoms are from the lack of blood flow to the heart. they may include chest pain and shortness of breath. a complete blockage of blood flow can cause a heart attack. treatment for coronary artery disease may include medicines and surgery. Others have severe symptoms. some people have no symptoms. common heart attack symptoms include: chest pain that may feel like pressure, tightness, pain, squeezing or aching. pain or discomfort that spreads to the shoulder, arm, back, neck, jaw, teeth or sometimes the upper belly. cold sweat. Damage from a heart attack; heart issues like clogged arteries, inflammation of the heart muscle, and (also called complete). heart block symptoms.
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