Applies to single-channel and multichannel electrocardiographs used for recording an electrocardiogram;
data may be stored digitally for subsequent transfer to an ECG data management system or may be printed
directly from the electrocardiograph; this procedure is not suitable for verifying performance of the
interpretive functions of the electrocardiograph; this procedure also does not apply to strip-chart recorders,
which should be inspected with the ECG monitor or the defibrillator they are used in conjunction with (use
ECG Monitors Procedure 409 and Defibrillators Procedure 408, respectively)