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Parallel activities in ALS

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

During CPR:

• Correct reversible causes*

4 Hs and 4 Ts

  • Hypoxia
  • Hypovolaemia
  • Hypo/hyperkalaemia/metabolic
  • Hypothermia
  • Tension pneumothorax
  • Tamponade, cardiac
  • Toxins
  • Thrombosis (coronary or pulmonary)

• Check electrode position and contact

• Attempt / verify:

  • IV access
  • airway and oxygen

• Give uninterrupted compressions when airway secure

• Give adrenaline every 3-5 min

• Consider: amiodarone, atropine, magnesium


  1. Resuscitation Council (UK). Adult Advanced Life Support. Resuscitation Guidelines 2005.

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