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Sinus tachycardia

  • Common ddx

    • physiologic (pain, exertion, anxiety)
    • drugs (epi, caffeine, albuterol)
    • pathologic (infection, hypoxia, anemia, hypovolemia, hyperthyroidism)
  • Serious ddx

    • PE (dyspnea)
    • shock (hypotension)
    • CO poisoning (cyanosis)
  • Labs

    • CBC, TSH, EKG
  • Tx

    • underlying cause
  • ROS

    • dyspnea
    • CO exposure
    • headache
    • pain, exertion
    • drugs: epinephrine, caffeine, albuterol
    • fever, recent infection
    • fatigue
    • heat intolerance
  • Px

    • vitals: temp, pulsox, BP, orthostasis
    • skin turgor, mucosal membranes
    • thyroid enlargement
    • cardio
    • extremities: cap refill, color, warmth
  • EKG

    • HR > 100, everything else normal

  • 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.