Among children with cardiac arrest cardiac rhythms that respond to electric shocks (ventricular fibrillation or tachycardia) are much less common than in adults: children are much more likely to have electrical asystole or pulseless electrical activity. The cardiac arrest is usually a result of progressive respiratory failure or shock. The outcomes of cardiac arrest in hospital have been reported for 855 children in a multicentre US study ( Ricardo A Samson and … OpenUrlCrossRefPubMedWeb of Science