§ 870.2310. Apex cardiograph (vibrocardiograph).
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/us/cfr/t21/s§ 870.2310·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)Identification. An apex cardiograph (vibrocardiograph) is a device used to amplify or condition the signal from an apex cardiographic transducer and to produce a visual display of the motion of the heart; this device also provides any excitation energy required by the transducer.
(b)Classification. Class II (performance standards).