--Population Characteristics-- Parent or caretaker with infant at risk for sudden death, i.e.: Birth weight less than 2500 g Abnormal pneumogram Bronchopulmonary dysplasia Respiratory distress syndrome Primary pulmonary hypertension Congenital cardiac abnormality Home oxygen requirement Asphyxia or hypoxia Apnea of infancy Documented episode of apnea or bradycardia Sibling of sudden infant death syndrome victim Substance-abusing mother Literate in Spanish or English No history of mental illness No contraindication to cardiopulmonary resuscitation instruction, e.g., arthritis or orthopedic injury No cardiopulmonary resuscitation instruction within 2 years