Assess using the ABCDE approach
  • Monitor SpO2 and give oxygen if hypoxic
  • Monitor ECG and BP, and record 12-lead ECG
  • Obtain IV access
  • Identify and treat reversible causes (e.g. electrolyte abnormalities)
Adverse Features?
  • Shock
  • Syncope
  • Myocardial ischaemia
  • Heart failure
Is QRS narrow
(< 0.12 s)?