ACLS=advanced cardiovascular life support; CPR: cardiopulmonary rescue.
1. CPR: chest compression: 100 per min; breath: 2 breaths every 30 compression
2. 1 shock every 5 cycles above
3. Epinephrine 1 mg every 3-5 min;
4. Continue CPR without interruption;
5. Check pulse every 2 min; check time,10 seconds.