ECG Evaluation Not Performed Due to Poor Quality of Printed ECG

**Semantic type:** Qualitative Concept

**Definition:** A printed electrocardiographic recording with poor printout quality (e.g. a faded paper ECG tracing or ECG with inconsistent printing speed) such that measurements and/or interpretation cannot be performed. (CDISC)

**Synonyms:** - ECG EVALUATION NOT PERFORMED DUE TO POOR QUALITY OF PRINTED ECG