Cardiac arrest
November 28, 2012: This chapter has been re-evaluated and remains up-to-date. No changes have been necessary.
Update:
Technique of cardiopulmonary resuscitation (CPR)—modified recommendation for chest compressions.
Airway and ventilation—waveform capnography should be used to confirm correct placement of a tracheal tube and also provides an indication of the quality of CPR.
Treatment of shockable rhythms and of asystole—algorithms updated.
A monitored and witnessed VF/VT cardiac arrestto be treated by cardioversion before chest compressions are commenced in some situations.
Cardiovascular disease is the most common cause of sudden cardiac arrest, which causes over 60% of adult coronary heart disease deaths. In Europe, the annual incidence of out-of-hospital cardiopulmonary arrests treated by emergency medical systems is 38 per 100 000.
Survival from cardiac arrest depends on a sequence of interventions—the Chain of Survival—comprising (1) early recognition and call for help, (2) early cardiopulmonary resuscitation (CPR), (3) early defibrillation, and (4) postresuscitation care. The division between basic life support and advanced life support (ALS) is arbitrary—the resuscitation process is a continuum.
Starting CPR
Initial resuscitation
Advanced life support
Continue CPR and proceed to:
Postresuscitation care
The quality of postresuscitation care determines the patient’s final outcome if resuscitation is successful. Consider therapeutic hypothermia and early percutaneous coronary intervention (PCI) in comatose survivors of cardiac arrest to improve neurological outcome and survival.
Do not attempt resuscitation (DNAR)
Do not attempt (cardiopulmonary) resuscitation decisions should be used to prevent CPR in patients who will not benefit from it or do not wish to have it. The most senior doctor available should enter a DNAR decision and the reasons for it in the medical records, the decision should be communicated effectively to all members of the team involved in the patient’s care, and it should be reviewed regularly in the light of changes in the patient’s condition.
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