1. 1435 -Single-function, preprogrammed diagnostic computer. 870.1450 -Densitometer. 870.1650 -Angiographic injector and syringe;B - Subpart;Cardiovascular Diagnostic Devices 870.1025 -Arrhythmia detector and alarm (including ST-segment measurement and alarm)
2. 2780 -Hydraulic, pneumatic, or photoelectric plethysmographs. 870.2800 -Medical magnetic tape recorder;C - Subpart;Cardiovascular Monitoring Devices. 870.2050 -Biopotential amplifier and signal conditioner. 870.2060 -Transducer signal amplifier and conditioner