But one can not discount the resuscitation infrastructure already in place: mouth-to-mouth ventilation, chest compression, and portable defibrillation.
In addition, cardiac nurses must possess specialized skills including electrocardiogram monitoring, defibrillation, and medication administration by continuous intravenous drip.
Administration of an electric shock to the subject's heart, termed defibrillation, is usually needed in order to restore a viable or perfusing heart rhythm.