EXHIBIT 21.1

SUBSIDIARIES

Name of Subsidiary									Jurisdiction of Organization
Radnet Managed Imaging Services, Inc.									California
Radnet Management, Inc.									California
Radnet Management I, Inc.									California
Radnet Management II, Inc.									California
Radnet Sub, Inc.									California
Beach Imaging Group, LLC									California
Diagnostic Village, LLC									California
FRI II, Inc.									California
FRI, Inc.									California
Glendale Advanced Imaging Center, LLC									California
Mission Advanced Imaging Center, LLC									California
Orange County Radiation Oncology, LLC									California
Pacific Imaging Partners, Inc.									California
Rolling Oaks Imaging Corporation									California
Rolling Oaks Radiology, Inc.									California
Santa Monica Imaging Group, LLC									California
SoCal MR Site Management, Inc.									California
Valley Imaging Partners, Inc.									California
Ventura County Imaging Group, LLC									California
West Valley Imaging Group, LLC									California
RMIS Imaging Services, Inc.									Canada
Advanced Imaging Partners, Inc.									Delaware
Advanced NA, LLC									Delaware
American Radiology Services of Delaware, Inc.									Delaware
American Radiology Services LLC									Delaware
Arizona Diagnostic Radiology Group, LLC									Delaware
Arizona Imaging Services, LLC									Delaware
Community Imaging Partners, Inc.									Delaware
DeepHealth, Inc.									Delaware
Delaware Imaging Partners, Inc.									Delaware
Diagnostic Imaging Services, Inc.									Delaware
Ide Imaging Partners, Inc.									Delaware
Image Medical Corporation									Delaware
Mid Rockland Imaging Partners, Inc.									Delaware
Nulogix Health, Inc.									Delaware
Orange County Radiation Oncology, LLC									Delaware
PantheonXT Partners, LLC									Delaware
Quantib Inc.									Delaware
Radiologix, Inc.									Delaware
Radiology Alliance Delivery Systems, LLC									Delaware
Radiology and Nuclear Medicine Imaging Partners, Inc.									Delaware
Radsite LLC									Delaware
Raven Holdings U.S., Inc.									Delaware

RMI Scheduling, Inc.									Delaware
Simi Valley Imaging Group, LLC									Delaware
Treasure Coast Imaging Partners, Inc.									Delaware
Questar Imaging, Inc.									Florida
Questar Victorville, Inc.									Florida
Scriptsender, LLC									Florida
Kepdoktor Kft									Hungary
Advanced Imaging at Timonium Crossing, LLC									Maryland
Advanced Imaging Center at St. Joseph Medical Center, LLC									Maryland
Advanced PET Imaging of Maryland, L.P.									Maryland
Advanced Radiology, LLC									Maryland
Advanced /Upper Chesapeake Health Center, LLC									Maryland
Baltimore County Radiology, LLC									Maryland
Baltimore Washington Imaging Center, LLC									Maryland
Calvert Medical Imaging Centers, LLC									Maryland
Carroll County Radiology, LLC									Maryland
Franklin Imaging, LLC									Maryland
Frederick County Radiology, LLC									Maryland
Greater Baltimore Diagnostic Imaging Partnership									Maryland
Montgomery Community Magnetic Imaging Center Limited Partnership									Maryland
Mount Airy Imaging Center, LLC									Maryland
Radar Medical Systems, LLC									Michigan
DH AI International Holdings B.V.									Netherlands
Quantib B.V.									Netherlands
Aidence B.V.									Netherlands
Imaging On Call, LLC									New York
Imaging Services Company of New York, LLC									New York
Park West Circle Realty, LLC									New York
Garden State Radiology Network, LLC									New Jersey
Health Diagnostics of New Jersey, LLC									New Jersey
Integrated Health Network, Inc.									New Jersey
New Jersey Imaging Network, LLC									New Jersey
New Jersey Imaging Partners, Inc.									New Jersey
eRad, Inc.									Pennsylvania
Healthcare Rhode Island, LLC									Rhode Island
Roentgen Reinsurance Company, Ltd									Turks and Caicos
Aidence UK, Ltd									United Kingdom
Heart and Lung Imaging Limited									United Kingdom