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Results 1 - 1 of 1 for First degree atrioventricular block
  1. Heart block 
    ... as lupus. Some normal people, will have a first degree block especially at rest or when asleep. This most ... often, you would not have any symptoms for first degree heart block. You may not know you have heart block ...
    https://medlineplus.gov/ency/article/007658.htm - Medical Encyclopedia