bradycardia bradycardia bradycardia Sinus Bradycardia bradycardia bradycardia Sinus Bradycardia bradycardia Sinus Bradycardia http://emedicine.medscape.com/article/760220-overview http://emedicine.medscape.com/article/760220-overview Sinus Bradycardia eMedicine Specialists: Bradicardia sinusal [em inglês] emedicine.medscape.com bradycardia bradycardia bradycardia