Case 1

It is 02:00. A 56-year-old man has called an ambulance because of central chest pain. He collapsed in VF soon after their arrival.

En route to hospital he has had excellent CPR, 3 mg of adrenaline, 300 mg of amiodarone and 6 shocks but is still in VF. He is intubated.

Your team take over CPR, attach a defibrillator, give adrenaline and a further DC shock and his rhythm changes to sinus rhythm, with a rate of 70.

A pulse is palpable. He is making no respiratory effort, and there are no other signs of life.