[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR870.2320] [Page 307] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 870--CARDIOVASCULAR DEVICES--Table of Contents Subpart C--Cardiovascular Monitoring Devices Sec. 870.2320 Ballistocardiograph. (a) Identification. A ballistocardiograph is a device, including a supporting structure on which the patient is placed, that moves in response to blood ejection from the heart. The device often provides a visual display. (b) Classification. Class II (performance standards).