The value of Modality (0008,0060) shall be ECG.
The number of Waveform Sequence (5400,0100) Items shall be be 1.
The value of the Number of Waveform Channels (003A,0005) in the Waveform Sequence Item shall be between 1 and 12, inclusive.
The value of the Sampling Frequency (003A,001A) in each Waveform Sequence Item shall be between 50 and 1000, inclusive.
The Defined Context ID for the Channel Source Sequence (003A,0208) in each Channel Definition Sequence Item shall be CID 3001.
The value of the Waveform Sample Interpretation (5400,1006) in each Waveform Sequence Item shall be SB or SS.