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Sinus bradycardia

  • Labs

    • TSH, head CT if suspect ICP elevation
  • Firstline tx

    • if symptomatic, give transcutaneous pacing
    • arrange for pacemaker if persistent sx
  • Other tx

    • atropine 0.5mg IV q3-5min x 6 doses max
    • epinephrine 2-10 mcg/min IV
    • dopamine 3-10 mcg/kg/min IV
  • ROS

    • triggering events (vagal maneuvers, carotid irritation)
    • offending drugs (Ca blockers, beta blockers, digoxin)
    • PMH MI, sick sinus syndrome, hypothyroidism
    • head trauma
    • cold intolerance
  • Px

    • mental status
    • unequal pupils, papilledema
    • cardio
  • EKG

    • slow (HR < 60), narrow, regular

  • Print | Citations

    Disclaimer: MDHero Workups is for educational use only, and is not meant to replace the clinical judgement of a professional. We do not guarantee the accuracy of any information on this website.