Emergency Medicine Mnemonics

The best emergency medicine / accident and emergency mnemonics for medical student finals, OSCEs and MRCP

• Reversible causes of cardiac arrest (6H’s and 4T’s)

  • Hypovolaemia
  • Hypoxia
  • H+ (acidosis)
  • Hypothermia
  • Hypoglycaemia
  • Hypokalaemia
  • Hyperkalaemia
  • Tension pneumothorax
  • cardiac Tamponade
  • Thrombosis (PE/MI)
  • Toxins

•  DKA precipitants (5 I’s)

  •  Infection
  • Ischaemia (cardiac, mesenteric)
  • Infarction
  • Ignorance (poor control)
  • Intoxication (alcohol)