Sinus tachycardia

Last modified: 05 July 2021, 1:58:56 PM AEST
Definition / diagnostic criteria1 / 4
  • SR > 100 BPM
Aetiology / Causes / Risk Factors2 / 4
  • ⬆ENS
    • anxiety, pain, light anaesthesia
    • hypoxia, hypercapnia
    • compensatory = anaemia, hypovolaemia, PE
  • ⬆BMR
    • hyperthyroidism
    • pregnancy
    • MH
    • fever
  • Drugs
    • sympathomimetics, cocaine, muscarinic blockers, pancuronium, inhalational anaesthetics
Management3 / 4
  • Treat underlying cause
  • BB
    • when other diagnoses excluded
    • if risk of myocardial ischaemia
  • consider adenosine

Anaesthetic considerations4 / 4
  • Pre-op
  • Intra-op
  • Post-op