{"data":{"id":"us/21-cfr-870.3720","jurisdiction":"us","citation":"21 CFR 870.3720","heading":"Pacemaker electrode function tester.","body":"(a) Identification. A pacemaker electrode function tester is a device which is connected to an implanted pacemaker lead that supplies an accurately calibrated, variable pacing pulse for measuring the patient's pacing threshold and intracardiac R-wave potential.\n(b) Classification. Class II (performance standards).","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER H—MEDICAL DEVICES","PART 870—CARDIOVASCULAR DEVICES","Subpart D—Cardiovascular Prosthetic Devices"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"ce76a9910e44195cea45dd79ff47b781f69afd771cbb5b70178b7a21de9ffd6b","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-870.3710","next":"us/21-cfr-870.3730"},"notice":"GroundRules: Original legal text. Not legal advice."}