Electrical: Normal conduction through the heart arises in the right atrium and proceeds into the 2 ventricles, one pathway to the r ventricle and 2 pathways to the l: the anterior and posterior fascicles. Left anterior fascicular block causes no symptoms and requires no treatment but is sometimes associated with hypertension and coronary artery disease. Less commonly valvular disease.
Answered 5/11/2018
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