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Causes, Symptoms, Types and Treatment of Heart Block

Heart block is a problem with the way that electrical signals pass from the upper to the lower chambers of the heart. It is a kind of arrhythmia, and usually causes the heart rate to slow down. There are three main types of heart block: first degree, second degree and third degree, with first degree being the mildest and third degree the most serious. The features of the three types are described in terms of […]