[This Observation type contains ECG "rhythm" waveforms. The waveform samples are measured in absolute time (a.k.a. "subject time" or "effective time"). These waveforms are usually "raw" with some minimal amount of noise reduction and baseline filtering applied. ( HL7V3.0 )]
UMLS (HL7) C1552095 Relation/PAR: ECGObservationSeriesType