300 Longwood Avenue Boston, MA 02115 (617) 355-6000 Clinical Services: Contact Us Electrocardiogram (EKG) Services The Exercise Physiology Laboratory at Children's Hospital Boston is available to answer your questions, provide you with more information or schedule an appointment for an EKG for your child if needed. To schedule an appointment, call 617-355-2079 or email exercisephy@cardio.chboston.org. To talk to one of our physician representatives, call 617-355-7696 or email exercisephy@cardio.chboston.org. For general administrative questions, please call 617-355-5649. Please call or email us anytime. We will respond to emails within one business day. Locations Address Contact Children's Hospital Boston 300 Longwood Avenue Boston, MA 02115 617-355-2079 exercisephy@cardio.chboston.org 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.