1. 
   bradytachycardia
   (brad″e-tak″ĭ-kahr´de-ә) alternating attacks of bradycardia and tachycardia.
   Found op http://www.encyclo.co.uk/local/21001
   
   
2. 
   bradytachycardia
   bradytachycardia Alternating attacks of bradycardia and tachycardia, as may occur in sick sinus syndrome.
   Found op http://www.wordinfo.info/words/index/info/view_unit/319/3
   
   

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