ECG Evaluation Not Performed Due to Unknown ECG Amplitude Gain or Recording Speed

**Semantic type:** Qualitative Concept

**Definition:** An electrocardiographic recording in which measurements and/or interpretation are not performed because the ECG amplitude gain and/or recording speed are not known. (CDISC)

**Synonyms:** - ECG EVALUATION NOT PERFORMED DUE TO UNKNOWN ECG AMPLITUDE GAIN OR RECORDING SPEED