Children's is a 377-bed institution located in the center of the Harvard Medical School complex. The MSICU, with just over 2,000 admissions annually, provides all critical care services for our very active programs in medicine, general surgery, transplantation, neurosurgery, craniofacial reconstruction, orthopedics, otolaryngology and trauma. In addition, the unit serves as one of the largest extracorporeal membrane oxygenation (ECMO) centers in the United States with approximately 60 children treated annually.