300 Longwood Avenue Boston, MA 02115 (617) 355-6000 Clinical Services (Center for Healthy Infant Lung Development (CHILD)): Common Tests During a visit, your child may undergo tests to see how his or her lungs are working. These tests may include: Blood tests Bronchoscopy Chest X-ray Echocardiography Electrocardiogram (EKG) Pulmonary function tests Pulse oximetry Sweat test The information on this website should not be taken as medical advice, which can only be given to you by your personal health care professional. Copyright © Children's Hospital Boston. All rights reserved.