MDC_ECG_QRS_TYPE MDC_ECG_QRS_MORPH_NUM MDC_ECG_VPC_FOCUS_NUM MDC_ECG_NOISE_TYPE MDC_ECG_BEAT_TOC MDC_ECG_RHYTHM_TYPE MDC_ECG_RHYTHM_AV_COND MDC_ECG_RHYTHM_SA_COND MDC_ECG_WAVC_TYPE MDC_ECG_WAVP_TYPE MDC_ECG_WAVC_ONSET MDC_ECG_WAVC_OFFSET MDC_ECG_WAVC_PEAK MDC_ECG_WAVC_OTHER MDC_ECG_INTERPRETATION MDC_ECG_INTERPRETATION_STATEMENT MDC_ECG_INTERPRETATION_COMMENT MDC_ECG_INTERPRETATION_SUMMARY