EXHIBIT 21.1 MARQUETTE MEDICAL SYSTEMS, INC. Subsidiaries: The Company subsidiaries are listed below: STATE OR COUNTRY NAME OF ORGANIZATION ---- --------------- Marquette Electronics Anesthesia & Respiratory Care Corp. Missouri Marquette Leasing, Inc. Wisconsin Marquette International, Ltd. Virgin Islands Marquette Hellige UK, Ltd. England Marquette Hellige Italia, SRL Italy Marquette Hellige S.A.S. France Marquette Benelux n.v./s.a. Belgium Marquette Hellige Espana, S.A. Spain Marquette Medical Systems (Australia) PTY, Ltd. Australia Corometrics Medical Systems, Inc. Delaware Hellige Ges.m.b.H. Austria Marquette Hellige GmbH Germany E For M Corporation Delaware Vari-X, Inc. California