ecg
Differences
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| ecg [2026/08/20 07:13] – [Table] simone | ecg [2026/10/29 14:04] (current) – [Variables] simone | ||
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| * [[1A Visit 1]] (n = ~156.000, including ~5600 [[children]]) | * [[1A Visit 1]] (n = ~156.000, including ~5600 [[children]]) | ||
| * [[2A Visit 1]] (n = ~112.000, no children)) | * [[2A Visit 1]] (n = ~112.000, no children)) | ||
| - | * [[3A Visit 1]] | + | * [[3A Visit 1]] (n = ~81.000, including ~1000 [[children]]) |
| - | * [[4A Visit 1]] | + | * [[4A Visit 1]] (currently ungoing) |
| ===== Background ===== | ===== Background ===== | ||
| Line 31: | Line 31: | ||
| The ECG resulted in the following variables: | The ECG resulted in the following variables: | ||
| - | | **Label English** | + | | **Label English** |
| - | | ecg performed | + | | ecg performed |
| - | | ecg performed | + | | ecg database patid | ecg_patid_all_m_1 |
| - | | if not, reason: / ecg performed | + | | ecg database testid |
| - | | ecg device code | ecg_devicecode_all_m_1 | + | | ecg performed |
| - | | is ecg to be manually reviewed by a doctor? | + | | if not, reason: / ecg performed |
| - | | system evaluation ecg | ecg_toreview_all_e_3 | + | | ecg device code | ecg_devicecode_all_m_1 |
| - | | is the ecg manually reviewed by a doctor? | + | | is ecg to be manually reviewed by a doctor? |
| - | | automatic interpretation by welch allyn | ecg_welchallyn_all_m_1 | + | | research nurse - ecg result needs to be reviewed by ecg assistant |
| - | | type of lead set used for analysis of paedriatic ecg | ecg_paediatric_all_m_1 | + | | system evaluation ecg | ecg_toreview_all_e_3 |
| - | | ecg technician - category of ECG review | + | | is the ecg manually reviewed by a doctor? |
| - | | conclusion of ecg review | + | | automatic interpretation by welch allyn | ecg_welchallyn_all_m_1 |
| - | | ecg technician - observation within ecg review | + | | automatic interpretation by welch allyn + remarks research nurse | ecg_welchallyn_all_m_2 |
| - | | ecg technician - technical review | + | | type of lead set used for analysis of paedriatic ecg | ecg_paediatric_all_m_1 |
| - | | advise to gp based on ecg review | + | | ecg technician - category of ECG review |
| - | | ecg technician - advise to GP based on ecg review | + | | conclusion of ecg review |
| - | | heart rate | ecg_heartrate_all_m_1 | + | | ecg technician - observation within ecg review |
| - | | overall p-axis (degrees) | + | | ecg technician - technical review |
| - | | overall duration of p-wave (ms) | p_wave_all_m_1 | + | | advise to gp based on ecg review |
| - | | overall pq time (ms) | pq_time_all_m_1 | + | | ecg technician - advise to GP based on ecg review |
| - | | overall qrs-axis (degrees) | + | | ecg technician - remarks to gp | ecg_gpadvise_all_e_1_a |
| - | | qt-interval (ms) | qt_interval_all_m_1 | + | | ecg technician - feedback to participant based on ecg review |
| - | | overall duration of the qrs-complex (ms) | qrs_complex_all_m_1 | + | | remarks cardiologist |
| - | | qt-interval (ms) corrected for heart frequency (hodges) | + | | research nurse - remarks on measurement |
| - | | overall t-axis (degrees) | + | | ecg technician - internal remarks about spirometry |
| - | | negative amplitude of p-wave (microvolt) - lead I - II - III - aVR - aVL - aVF - V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | pnegamp_i/ | + | | heart rate | ecg_heartrate_all_m_1 |
| - | | negative amplitude of p-wave (microvolt) - lead v3r | pnegamp_v3r_all_m_1 | + | | overall p-axis (degrees) |
| - | | negative amplitude of p-wave (microvolt) - lead v7 | pnegamp_v7_all_m_1 | + | | overall duration of p-wave (ms) | p_wave_all_m_1 |
| - | | posittive amplitude of p-wave (microvolt) - lead I - II - III - aVR - aVL - aVF - V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | pposamp_i/ | + | | overall pq time (ms) | pq_time_all_m_1 |
| - | | positive amplitude of p-wave (microvolt) - lead v3r | pposamp_v3r_all_m_1 | + | | overall qrs-axis (degrees) |
| - | | positive amplitude of p-wave (microvolt) - lead v7 | pposamp_v7_all_m_1 | + | | qt-interval (ms) | qt_interval_all_m_1 |
| - | | amplitude of the q-wave (microvolt) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | qamp_i/ | + | | overall duration of the qrs-complex (ms) | qrs_complex_all_m_1 |
| - | | amplitude of the q-wave (microvolt) - lead v3r | qamp_v3r_all_m_1 | + | | qt-interval (ms) corrected for heart frequency (hodges) |
| - | | amplitude of the q-wave (microvolt) - lead v7 | qamp_v7_all_m_1 | + | | overall t-axis (degrees) |
| - | | duration of the q-wave (ms) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | qduration_i/ | + | | negative amplitude of p-wave (microvolt) - lead I - II - III - aVR - aVL - aVF - V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | pnegamp_i/ |
| - | | duration of the q-wave (ms) - lead v3r | qduration_v3r_all_m_1 | + | | negative amplitude of p-wave (microvolt) - lead v3r | pnegamp_v3r_all_m_1* |
| - | | duration of the q-wave (ms) - lead v3r | qduration_v7_all_m_1 | + | | negative amplitude of p-wave (microvolt) - lead v7 | pnegamp_v7_all_m_1* | pnegamp_21 |
| - | | amplitude of the r' | + | | posittive amplitude of p-wave (microvolt) - lead I - II - III - aVR - aVL - aVF - V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | pposamp_i/ |
| - | | amplitude of the r' | + | | positive amplitude of p-wave (microvolt) - lead v3r | pposamp_v3r_all_m_1* |
| - | | amplitude of the r' | + | | positive amplitude of p-wave (microvolt) - lead v7 | pposamp_v7_all_m_1* | pposamp_21 |
| - | | duration of the r' | + | | amplitude of the q-wave (microvolt) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | qamp_i/ |
| - | | duration of the r' | + | | amplitude of the q-wave (microvolt) - lead v3r | qamp_v3r_all_m_1* | qamp_13 |
| - | | duration of the r' | + | | amplitude of the q-wave (microvolt) - lead v7 | qamp_v7_all_m_1* |
| - | | amplitude of the r-wave (microvolt) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | ramp_i/ | + | | duration of the q-wave (ms) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | qduration_i/ |
| - | | amplitude of the r-wave (microvolt) - lead v3r | ramp_v3r_all_m_1 | + | | duration of the q-wave (ms) - lead v3r | qduration_v3r_all_m_1* |
| - | | amplitude of the r-wave (microvolt) - lead v7 | ramp_v7_all_m_1 | + | | duration of the q-wave (ms) - lead v3r | qduration_v7_all_m_1* | qduration_21 |
| - | | duration of the r-wave (ms) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | rduration_i/ | + | | amplitude of the r' |
| - | | duration of the r-wave (ms) - lead v3r | rduration_v3r_all_m_1 | + | | amplitude of the r' |
| - | | duration of the r-wave (ms) - lead v7 | rduration_v7_all_m_1 | + | | amplitude of the r' |
| - | | amplitude of the s' | + | | duration of the r' |
| - | | amplitude of the s' | + | | duration of the r' |
| - | | amplitude of the s' | + | | duration of the r' |
| - | | duration of the s' | + | | amplitude of the r-wave (microvolt) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | ramp_i/ |
| - | | duration of the s' | + | | amplitude of the r-wave (microvolt) - lead v3r | ramp_v3r_all_m_1* | ramp_13 |
| - | | duration of the s' | + | | amplitude of the r-wave (microvolt) - lead v7 | ramp_v7_all_m_1* |
| - | | amplitude of the s-wave (microvolt) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | samp_i/ | + | | duration of the r-wave (ms) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | rduration_i/ |
| - | | amplitude of the s-wave (microvolt) - lead v3r | samp_v3r_all_m_1 | + | | duration of the r-wave (ms) - lead v3r | rduration_v3r_all_m_1* |
| - | | amplitude of the s-wave (microvolt) - lead v7 | samp_v7_all_m_1 | + | | duration of the r-wave (ms) - lead v7 | rduration_v7_all_m_1* | rduration_21 |
| - | | duration of the s-wave (ms) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | sduration_i/ | + | | amplitude of the s' |
| - | | duration of the s-wave (ms) - lead v3r | sduration_v3r_all_m_1 | + | | amplitude of the s' |
| - | | duration of the s-wave (ms) - lead v7 | sduration_v7_all_m_1 | + | | amplitude of the s' |
| - | | deviation from the st segment at 0 ms from the j point (mm) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | st0_i/ | + | | duration of the s' |
| - | | deviation from the st segment at 0 ms from the j point (mm) - lead v3r | st0_v3r_all_m_1 | + | | duration of the s' |
| - | | deviation from the st segment at 0 ms from the j point (mm) - lead v7 | st0_v7_all_m_1 | + | | duration of the s' |
| - | | deviation from the st segment at 20 ms from the j point (mm) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | st20_i/ | + | | amplitude of the s-wave (microvolt) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | samp_i/ |
| - | | deviation from the st segment at 20 ms from the j point (mm) - lead v3r | st20_v3r_all_m_1 | + | | amplitude of the s-wave (microvolt) - lead v3r | samp_v3r_all_m_1* | samp_13 |
| - | | deviation from the st segment at 20 ms from the j point (mm) - lead v7 | st20_v7_all_m_1 | + | | amplitude of the s-wave (microvolt) - lead v7 | samp_v7_all_m_1* |
| - | | deviation from the st segment at 40 ms from the j point (mm) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | st40_i/ | + | | duration of the s-wave (ms) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | sduration_i/ |
| - | | deviation from the st segment at 40 ms from the j point (mm) - lead v3r | st40_v3r_all_m_1 | + | | duration of the s-wave (ms) - lead v3r | sduration_v3r_all_m_1* |
| - | | deviation from the st segment at 40 ms from the j point (mm) - lead v7 | st40_v7_all_m_1 | + | | duration of the s-wave (ms) - lead v7 | sduration_v7_all_m_1* | sduration_21 |
| - | | deviation from the st segment at 60 ms from the j point (mm) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | st60_i/ | + | | deviation from the st segment at 0 ms from the j point (mm) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | st0_i/ |
| - | | deviation from the st segment at 60 ms from the j point (mm) - lead v3r | st60_v3r_all_m_1 | + | | deviation from the st segment at 0 ms from the j point (mm) - lead v3r | st0_v3r_all_m_1* |
| - | | deviation from the st segment at 60 ms from the j point (mm) - lead v7 | st60_v7_all_m_1 | + | | deviation from the st segment at 0 ms from the j point (mm) - lead v7 | st0_v7_all_m_1* | st0_21 |
| - | | deviation from the st segment at 80 ms from the j point (mm) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | st80_i/ | + | | deviation from the st segment at 20 ms from the j point (mm) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | st20_i/ |
| - | | deviation from the st segment at 80 ms from the j point (mm) - lead v3r | st80_v3r_all_m_1 | + | | deviation from the st segment at 20 ms from the j point (mm) - lead v3r | st20_v3r_all_m_1* | st20_13 |
| - | | deviation from the st segment at 80 ms from the j point (mm) - lead v7 | st80_v7_all_m_1 | + | | deviation from the st segment at 20 ms from the j point (mm) - lead v7 | st20_v7_all_m_1* |
| - | | negative amplitude of t-wave (microvolt) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | tnegamp_i/ | + | | deviation from the st segment at 40 ms from the j point (mm) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | st40_i/ |
| - | | negative amplitude of t-wave (microvolt) - lead v3r | tnegamp_v3r_all_m_1 | + | | deviation from the st segment at 40 ms from the j point (mm) - lead v3r | st40_v3r_all_m_1* | st40_13 |
| - | | negative amplitude of t-wave (microvolt) - lead v7 | tnegamp_v7_all_m_1 | + | | deviation from the st segment at 40 ms from the j point (mm) - lead v7 | st40_v7_all_m_1* |
| - | | positive amplitude of t-wave (microvolt) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | tposamp_i/ | + | | deviation from the st segment at 60 ms from the j point (mm) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | st60_i/ |
| - | | posittive amplitude of t-wave (microvolt) - lead v3r | tposamp_v3r_all_m_1 | + | | deviation from the st segment at 60 ms from the j point (mm) - lead v3r | st60_v3r_all_m_1* | st60_13 |
| - | | posittive amplitude of t-wave (microvolt) - lead v7 | tposamp_v7_all_m_1 | + | | deviation from the st segment at 60 ms from the j point (mm) - lead v7 | st60_v7_all_m_1* |
| + | | deviation from the st segment at 80 ms from the j point (mm) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | st80_i/ | ||
| + | | deviation from the st segment at 80 ms from the j point (mm) - lead v3r | st80_v3r_all_m_1* | st80_13 | ||
| + | | deviation from the st segment at 80 ms from the j point (mm) - lead v7 | st80_v7_all_m_1* | ||
| + | | negative amplitude of t-wave (microvolt) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | tnegamp_i/ | ||
| + | | negative amplitude of t-wave (microvolt) - lead v3r | tnegamp_v3r_all_m_1* | ||
| + | | negative amplitude of t-wave (microvolt) - lead v7 | tnegamp_v7_all_m_1* | tnegamp_21 | ||
| + | | positive amplitude of t-wave (microvolt) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | tposamp_i/ | ||
| + | | posittive amplitude of t-wave (microvolt) - lead v3r | tposamp_v3r_all_m_1* | ||
| + | | posittive amplitude of t-wave (microvolt) - lead v7 | tposamp_v7_all_m_1* | tposamp_21 | ||
| + | | i duration (ms) - lead I - II - III - aVR - aVL - aVF / V1 - V2 - V3 - V4 - V5 - V6 - x - y - z | iduration_i/ | ||
| + | | i duration (ms) - lead v3r | iduration_v3r_all_m_1* | ||
| + | | i duration (ms) - lead v7 | iduration_v7_all_m_1* | ||
| - | | + | * Note: for 1A and 3A a part of the participants <18 were measured with v3r and v7 electrodes. When this was the case, these replaced the v3 and v5 electrodes. |
ecg.1787210020.txt.gz · Last modified: by simone
