PTB-XL+, a comprehensive electrocardiographic feature dataset 1.0.0

File: <base>/features/feature_description.csv (18,772 bytes)
idunig_feature12sl_featureecgdeli_featuredescriptionLoinc_concept_idsunitcommentconsistent_units_unigconsistent_units_12sl
P_Amp_X$ P+_Amp_X if P_Morph_X>0 else P-_Amp_XP_PeakAmpl_XPWa_XP wave amplitude in lead X3024893, 3025405, 3026247, 3012776, 3027068, 3012976, 3010691, 3014384, 3025329, 3011867, 3025534, 3006830mV0.0010.001
P_DurFull_XILM_P_Dur_X$ P_Dur_X+Pp_Dur_XPWd_XSum of P and P' wave duration in lead Xms11
P_Dur_X$ P_DurFull_X - P-_Dur_X if P_Morph_X>0 else P_DurFull_X - P+_Dur_XP_Duration_XP wave duration in lead X3009784, 3023622, 3019852, 3020390, 3005529, 3004434, 3010688, 3014065, 3020513, 3011864, 3012364, 3026092ms11
Pp_Amp_X$ P-_Amp_X if P_Morph_X>0 else P+_Amp_XPP_PeakAmpl_XP' wave amplitude in lead X3002979, 3001868, 3000537, 3033317, 3005371, 3000774, 3002936, 3002379, 3001287, 3020741, 3000038, 3005100mV0.0010.001
Q_Dur_XILM_Q_Dur_XQ_Duration_XQ wave duration in lead X3037087,3020600,3009543,3014760,3009132,3016129,3016368,3016651,3004180,3014095,3015243,3008160ms11
Q_Amp_XILM_Q_Amp_XQ_PeakAmpl_XQPa_XQ wave amplitude in lead X3036176,3009332,3001472,3020018,3035703,3035937,3036519,3023074,3013791,3019126,3035348,3034822,3019502mV0.001-0.001
QT_Int_XILM_QT_Int_XQTi_XQ-T interval lead X3019502,3004627,3004307,3003198,3002096,3019915,3020079,3005602,3004425,3009427,3019568,3023137ms11
QRS_Dur_XILM_QRS_Dur_X$ Q_Dur_X+R_Dur_X+S_Dur_X+Rp_Dur_X+Sp_Dur_XQRSd_XQRS duration in lead X3017331,3017568,3004698,3007793,3006697,3028023,3024511,3024795,3004891,3007353,3016790,3008696msQRSint_X calculated manually11
R_Amp_XILM_R_Amp_XR_PeakAmpl_XRPa_XR wave amplitude in lead X3003739,3002640,3022797,3019234,3019213,3004514,3003417,3002312,3001146,3022916,3000485,3023180mV0.0010.001
Rp_Amp_XILM_R'_Amp_XRP_PeakAmpl_XR' wave amplitude in lead X3022197,3023215,3023438,3000256,3003822,3002662,3001065,3019534,3019525,3010547,3016565,3011080mV0.0010.001
R_Dur_XILM_R_Dur_XR_Duration_XR wave duration in lead X3027200,3010930,3028561,3009874,3010162,3015898,3019045,3022311,3005273,3036635,3026672,3037163ms11
Rp_Dur_XILM_R'_Dur_XRP_Duration_XR' wave duration in lead X3001993,3020976,3036939,3037170,3037997,3002744,3001568,3019090,3037593,3004586,3003156,3003491ms11
S_Amp_XILM_S_Amp_XS_PeakAmpl_XSPa_XS wave amplitude in lead X3012698,3015703,3008449,3034195,3034721,3022727,3013660,3012247,3017441,3038132,3022112,3033831mV0.001-0.001
S_Dur_XILM_S_Dur_XS_Duration_XS wave duration in lead X3004962,3012847,3018053,3008531,3014606,3015129,3008822,3007764,3006427,3018289,3018823,3018593ms11
Sp_Dur_XILM_S'_Dur_XSP_Duration_XS' wave duration in lead X3024162,3024999,3011532,3011193,3012036,3013753,3023167,3025675,3012198,3005743,3028525,3027381ms11
Sp_Amp_XILM_S'_Amp_XSP_PeakAmpl_XS' wave amplitude in lead X3016333,3008226,3007187,3006084,3026487,3027854,3028391,3024096,3024633,3023278,3016041,3025594mV0.001-0.001
ST_Slope_XILM_ST_Slope_XST slope in lead X3001895,3000583,3033357,3005620,3000008,3002802,3001697,3000667,3037901,3005198,3003078,3000206degrees11
ST_Amp_XILM_ST_Amp_XSTJ_XST amplitude at the J-point in lead X21490798,21490799,21490800,21490792,21490793,21490794,21490795,21490796,21490797,21490801,21490803,21490802mV0.0010.001
ST_Amp80ms_XILM_ST80_Amp_XST amplitude at the J-point+80 ms in lead X3014402,3008999,3015536,3015781,3016916,3008326,3007226,3006124,3026525,3015166,3009175,3008924mV0.0010.001
T_Amp_X$ T+_Amp_X if T_Morph_X>0 else T-_Amp_XT_PeakAmpl_XTWa_XT wave amplitude in lead X3024463,3025057,3011589,3026125,3012338,3024851,3025134,3025973,3012204,3005802,3023934,3027447mV0.0010.001
P_AxisFront_GlobalGM_PFrontalAxisPAxisP wave axis frontal plane3028068degrees11
P_Dur_GlobalOnOff_P_Duration$ P_Off_Global-P_On_GlobalPWd_maxP wave duration3028024ms11
P_Off_GlobalOnOff_P_TerminationP_OffsetP wave offset3022707ms12
P_On_GlobalOnOff_P_OnsetP_OnsetP wave onset3006569ms12
PR_Int_GlobalInt_PR_IntervalPR_IntervalPRi_maxP-R Interval3007794ms11
QT_Int_GlobalInt_QT_IntervalQT_IntervalQTi_maxQ-T interval3025809ms11
QRS_Dur_GlobalOnOff_QRS_DurationQRS_DurationQRSd_maxQRS duration3022022ms11
QRS_AxisFront_GlobalGM_QrsFrontalAxisQRS axis frontal plane3028303degrees11
QRS_On_GlobalOnOff_QRS_OnsetQRS_OnsetQRS onset3025562ms12
QRS_Off_GlobalOnOff_QRS_TerminationQRS_OffsetQRS offset3026651ms12
RR_Mean_GlobalGM_Average_RR_SinusAvgRRIntervalRRi_maxR-R interval (Mean value during study)3006307ms11
RR_StdDev_GlobalGM_StdDev_Normal_RR_IntervalsR-R interval.standard deviation (Heart rate variability)46235182ms11
T_Off_GlobalOnOff_T_TerminationT_OffsetT wave offset3027776ms12
T_On_GlobalOnOff_T_OnsetT_OnsetT wave onsetmsT_Onset not defined unambiguously12
T_AxisFront_GlobalGM_TFrontalAxisTAxisT wave axis frontal plane3009913degrees11
QRS_AxisIndet_GlobalFlag_Indeterminate_QRS_axisIndeterminate QRS axisinteger11
P_Found_GlobalFlag_P_waves_found$ P_Amp_X!=0 or P_Dur_X!=0P waves foundinteger11
HR__GlobalGM_Display_Heart_Rate$ HR_Ventr_GlobalHeart rate beat-to-beat21490872bpm11
HR_Var_GlobalGM_Heart_Rate_VariabilityHeart rate variabilitybpm11
QRS_PV48SpatVel_GlobalGM_QRS_Pseudo_Vector_4/8_Spatial_Velocityamplitude of the spatial velocity vector at 4/8 QRSmV/ms0.0010.001
QRS_PV58SpatVel_GlobalGM_QRS_Pseudo_Vector_5/8_Spatial_Velocityamplitude of the spatial velocity vector at 5/8 QRSmV/ms0.0010.001
QRS_PV68SpatVel_GlobalGM_QRS_Pseudo_Vector_6/8_Spatial_Velocityamplitude of the spatial velocity vector at 6/8 QRSmV/ms0.0010.001
QRS_PV78SpatVel_GlobalGM_QRS_Pseudo_Vector_7/8_Spatial_Velocityamplitude of the spatial velocity vector at 7/8 QRSmV/ms0.0010.001
ST_AxisFront_GlobalGM_STFrontalAxisST wave axis frontal planedegrees11
HR_Sinus_GlobalGM_Sinus_RateSinus ratebpm11
HR_Ventr_GlobalGM_Ventricular_RateVentRateVentricular ratebpm11
HR_Atrial_GlobalAtrialRateAtrial heart ratebpm11
Delta_Conf_XILM_DeltaConf_XDelta wave confidence in lead Xpercent11
QRS_NotchAmp_XILM_EndQRSNSA_XEnd QRS notch/slur amplitude in lead XmV0.0010.001
QRS_NotchOn_XILM_EndQRSNSO_XEnd QRS notch/slur onset in lead Xms11
QRS_NotchPeak_XILM_EndQRSNSP_XEnd QRS notch/slur peak in lead Xms11
P+_Dur_XILM_P+_Dur_X$ P_Dur_X if P_Amp_X>0 else Pp_Dur_XP+ wave duration in lead Xms11
P-_Dur_X$ P_DurFull_X-P+_Dur_X$ Pp_Dur_X if P_Amp_X>0 else P_Dur_XP- wave duration in lead Xms11
P+_Amp_XILM_P+_Amp_X$ P_Amp_X if P_Amp_X>0 else Pp_Amp_XP+ wave amplitude in lead XmV0.0010.001
P-_Amp_XILM_P-_Amp_X$ P_Amp_X if P_Amp_X<0 else Pp_Amp_XP- wave amplitude in lead XmV0.0010.001
PR_Amp_XILM_PR_AMP_XPR amplitude in lead XmV0.0010.001
P_Area_XILM_P_Area_XP_Area_XP wave area in lead XmV*ms0.0020.001
P_Morph_XILM_P_Morph_X$ (1 if P_Amp_X>0 else -1) if Pp_Amp_X==0 else (2 if P_Amp_X>0 else -2)PWm_XP wave morphology in lead X (-3: negative m-shaped, -2: negative biphasic, -1: negative monophasic, 1: positive monophasic, 2: positive biphasic, 3: positive m-shaped for KIT, Glasgow & GE only between -2 and 2)integer11
P_On_XILM_P_Ons_XP wave onset in lead Xms11
QRS_Area_XILM_QRS_Area_XQRS_Area_XQRS area in lead XmV*ms0.0020.001
QRS_IntDefl_XILM_QRS_IntD_XQRS intrinsicoid deflection in lead X (QRSonset to the peak of the R wave)ms11
QRS_AmpPP_XILM_P2P_Amp_XQRS_Deflection_XQRS peak-to-peak amplitude in lead X (R_Amp_X-S_Amp_X)mV0.0010.001
QRS_On_XILM_QRS_Ons_XQRS onset in lead Xms11
Rpp_Amp_XILM_R''_Amp_XR'' amplitude in lead XmV0.0010.001
Rpp_Dur_XILM_R''_Dur_XR'' duration in lead Xms11
R_Notch_XILM_R_Notch_XR wave notches in lead Xinteger11
Spp_Amp_XILM_S''_Amp_XS'' amplitude in lead XmV0.0010.001
Spp_Dur_XILM_S''_Dur_XS'' duration in lead Xms11
ST_Amp28_XILM_STT28_Amp_X2/8 ST-T amplitude in lead XmV0.0010.001
ST_Amp38_XILM_STT38_Amp_X3/8 ST-T amplitude in lead XmV0.0010.001
ST_AmpAdj_XILM_ST_AMPAdj_XST adjusted amplitude in lead XmV0.0010.001
ST_Dur_XILM_ST_Dur_XST duration in lead Xms11
T+_Dur_XILM_T+_Dur_X$ T_Dur_X if T_Amp_X>0 else Tp_Dur_XT+ duration in lead Xms11
T-_Dur_X$ T_Dur_X-T+_Dur_X$ Tp_Dur_X if T_Amp_X>0 else T_Dur_XT- duration in lead Xms11
T+_Amp_XILM_T+_Amp_X$ T_Amp_X if T_Amp_X>0 else Tp_Amp_XT+ amplitude in lead XmV0.0010.001
T-_Amp_XILM_T-_Amp_X$ T_Amp_X if T_Amp_X<0 else Tp_Amp_XT- amplitude in lead XmV0.0010.001
T_Area_XILM_T_Area_XT_Area_XT area in lead XmV*ms0.0020.001
T_Morph_XILM_T_Morph_X$ (1 if T_Amp_X>0 else -1) if Tp_Amp_X==0 else (2 if T_Amp_X>0 else -2)T morphology in lead Xinteger11
T_On_XILM_T_Ons_XT onset in lead Xms11
LVH_Strain_GlobalInt_LV_StrainLVH strain patterninteger11
P_Term_V1Int_P_Terminal_(V1)$ P-_Dur_V1*P-_Amp_V1 if P_Morph_V1==2 else 0P terminal force (product of P- amplitude and P- duration in V1)mV*ms0.0010.001
QT_IntCorr_GlobalInt_QT_Corrected_(used)QTCCalculationQ-T interval corrected3026258ms11
QT_Disp_GlobalInt_QT_DispersionQT dispersionms11
ST_Dur_GlobalInt_ST_DurationST durationms11
T_Dur_GlobalOnOff_T_DurationTWd_maxT durationms11
QT_IntBazett_GlobalQTc_BazettQTc_BazettQ-T interval corrected based on Bazett formula46235174ms11
QT_IntFramingham_GlobalQTc_FraminghamQTcFraminghamQTci_maxQ-T interval corrected based on Framingham formulams11
QT_IntFridericia_GlobalQTc_FridericiaQTcFredericiaQ-T interval corrected based on Fridericia formula46235173ms11
QT_IntHodge_GlobalQTc_HodgeQ-T interval corrected based on Hodge formulams11
VM_AngFront_MaxQRSVM_Angles_(F)_QRS(12L)angle between the projection of the spatial vector at the specified point (Max QRS 12 lead) onto the frontal plane and the positive direction of the X axisdegrees11
VM_AngFront_MaxTVM_Angles_(F)_T(12L)angle between the projection of the spatial vector at the specified point (Max T 12 lead) onto the frontal plane and the positive direction of the X axisdegrees11
VM_LenFront_MaxQRSVM_Lengths(F)_QRS(12L)length of the projection of the spatial vector at the specified point (Max QRS 12 lead) onto the frontal planemV0.0011
VM_LenFront_MaxTVM_Lengths(F)_T(12L)length of the projection of the spatial vector at the specified point (Max T 12 lead) onto the frontal planemV0.0011
VM_AngRSag_MaxQRSVM_Angles_(RS)_QRS(12L)angle between the projection of the spatial vector at the specified point (Max QRS 12 lead) onto the right sagittal plane and the positive direction of the Z axisdegrees11
VM_AngRSag_MaxTVM_Angles_(RS)_T(12L)angle between the projection of the spatial vector at the specified point (Max T 12 lead) onto the right sagittal plane and the positive direction of the Z axisdegrees11
VM_LenRSag_MaxQRSVM_Lengths(RS)_QRS(12L)length of the projection of the spatial vector at the specified point (Max QRS 12 lead) onto the right sagittal planemV0.0011
VM_LenRSag_MaxTVM_Lengths(RS)_T(12L)length of the projection of the spatial vector at the specified point (Max T 12 lead) onto the right sagittal planemV0.0011
VM_AngTrans_MaxQRSVM_Angles_(T)_QRS(12L)angle between the projection of the spatial vector at the specified point (Max QRS 12 lead) onto the transverse plane and the positive direction of the X axisdegrees11
VM_AngTrans_MaxTVM_Angles_(T)_T(12L)angle between the projection of the spatial vector at the specified point (Max T 12 lead) onto the transverse plane and the positive direction of the X axisdegrees11
VM_LenTrans_MaxQRSVM_Lengths(T)_QRS(12L)length of the projection of the spatial vector at the specified point (Max QRS 12 lead) onto the transversal planemV0.0011
VM_LenTrans_MaxTVM_Lengths(T)_T(12L)length of the projection of the spatial vector at the specified point (Max T 12 lead) onto the transversal planemV0.0011
VM_Mag_MaxQRSVM_Magnitude_QRS(12L)magnitude of the spatial vector at the point specified (Max QRS 12 lead)mV0.0011
VM_Mag_MaxTVM_Magnitude_T(12L)magnitude of the spatial vector at the point specified (Max T 12 lead)mV0.0011
VM_Pos_MaxQRSVM_Position_QRS(12L)position of specified point (Max QRS 12 lead), located relative to start of modal beat arrayms11
VM_Pos_MaxTVM_Position_T(12L)position of specified point (Max T 12 lead), located relative to start of modal beat arrayms11
VM_Vel_18QRSVM_Spatial_Velocity_1/8_QRS(12L)amplitude of the spatial velocity vector (0/8 is the onset and 8/8 the termination of the QRS complex)mV/ms0.0011
VM_Vel_28QRSVM_Spatial_Velocity_2/8_QRS(12L)amplitude of the spatial velocity vector (0/8 is the onset and 8/8 the termination of the QRS complex)mV/ms0.0011
VM_Vel_38QRSVM_Spatial_Velocity_3/8_QRS(12L)amplitude of the spatial velocity vector (0/8 is the onset and 8/8 the termination of the QRS complex)mV/ms0.0011
VM_Vel_48QRSVM_Spatial_Velocity_4/8_QRS(12L)amplitude of the spatial velocity vector (0/8 is the onset and 8/8 the termination of the QRS complex)mV/ms0.0011
VM_Vel_58QRSVM_Spatial_Velocity_5/8_QRS(12L)amplitude of the spatial velocity vector (0/8 is the onset and 8/8 the termination of the QRS complex)mV/ms0.0011
VM_Vel_68QRSVM_Spatial_Velocity_6/8_QRS(12L)amplitude of the spatial velocity vector (0/8 is the onset and 8/8 the termination of the QRS complex)mV/ms0.0011
VM_Vel_78QRSVM_Spatial_Velocity_7/8_QRS(12L)amplitude of the spatial velocity vector (0/8 is the onset and 8/8 the termination of the QRS complex)mV/ms0.0011
VM_Vel_+10msQRSVM_Spatial_Velocity_+10ms_QRS(12L)amplitude of the spatial velocity vector at the specified instant of timemV/ms0.0011
VM_Vel_+20msQRSVM_Spatial_Velocity_+20ms_QRS(12L)amplitude of the spatial velocity vector at the specified instant of timemV/ms0.0011
VM_Vel_+30msQRSVM_Spatial_Velocity_+30ms_QRS(12L)amplitude of the spatial velocity vector at the specified instant of timemV/ms0.0011
VM_Vel_-10msQRSVM_Spatial_Velocity_-10ms_QRS(12L)amplitude of the spatial velocity vector at the specified instant of timemV/ms0.0011
VM_Vel_-20msQRSVM_Spatial_Velocity_-20ms_QRS(12L)amplitude of the spatial velocity vector at the specified instant of timemV/ms0.0011
VM_Vel_-30msQRSVM_Spatial_Velocity_-30ms_QRS(12L)amplitude of the spatial velocity vector at the specified instant of timemV/ms0.0011
VM_Vel_MaxQRSVM_Spatial_Velocity_Max_QRS(12L)Max QRS spatial velocity(12 lead)mV/ms0.0011
VM_Vel_MaxTVM_Spatial_Velocity_Max_T(12L)Max T spatial velocity(12 lead)mV/ms0.0011
VM_Ang_QRS-TVM_Spatial_Angle_QRS-T(12L)QRS-T spatial angledegrees11
PR_Int_XPRi_XP-R Interval in lead X3024603, 3010581, 3011118, 3018956, 3022239, 3023501, 3023790, 3011157, 3012006, 3027589, 3024066, 3028427ms11
Pp_Dur_X$ P_DurFull_X - P+_Dur_X if P_Morph_X > 0 else P_DurFull_X - P-_Dur_X PP_Duration_XP' duration in lead Xms11
R_AxisFrontal_GlobalRAxisR wave axis frontal planedegrees11
Tp_Amp_X$ T-_Amp_X if T_Morph_X>0 else T+_Amp_XTP_PeakAmpl_XT' wave amplitude in lead X3016315, 3008291, 3007252, 3006151, 3026773, 3027921, 3028763, 3004048, 3006851, 3008969, 3016094, 3015565mV11
P_OnsAmp_XP_OnsetAmpl_XP wave onset amplitude in lead XmV11
P_PeakTime_XP_PeakTime_XP wave peak time in lead Xms11
Pp_Area_XPP_Area_XP' area in lead XmV*ms10.001
Pp_PeakTime_XPP_PeakTime_XP' peak time in lead Xms11
Q_Area_XQ_Area_XQ area in lead XmV*ms10.001
Q_PeakTime_XQ_PeakTime_XQ peak time in lead Xms11
R_Area_XR_Area_XR area in lead XmV*ms10.001
R_PeakTime_XR_PeakTime_XR peak time in lead Xms11
S_Area_XS_Area_XS area in lead XmV*ms10.001
S_PeakTime_XS_PeakTime_XS peak time in lead Xms11
Rp_Area_XRP_Area_XR' area in lead XmV*ms10.001
Rp_PeakTime_XRP_PeakTime_XR' peak time in lead Xms11
Sp_Area_XSP_Area_XS' area in lead XmV*ms10.001
Sp_PeakTime_XSP_PeakTime_XS' peak time in lead Xms11
ST_Amp116_XSTM_XST level at the QRS offset plus 1/16 of the average RR intervalmV11
ST_Amp18_XSTE_XST level at the QRS offset plus 1/8 of the average RR intervalmV11
ST_AmpMax_XMaxST_Xmaximum of STJ_X, STM_X and STE_XmV11
ST_AmpMin_XMinST_Xminimum of STJ_X, STM_X and STE_XmV11
T_AmpSpecial_XT_Special_Xminimum of either T amplitude or (T amplitude -STE_X)mV11
QRS_Balance_XQRS_Balance_Xmaximum R amplitude - maximum S amplitudemV11
Max_R_Amp_XMax_R_Ampl_Xmaximum of the R or R’mV11
Max_S_Amp_XMax_S_Ampl_Xmaximum of the Q, S, or S’mV11
T_DurFull_XILM_T_Dur_X$ T_Dur_X + Tp_Dur_XTWd_XSum of T and T' duration in lead Xms11
T_Dur_X$ T_DurFull_X - T-_Dur_X if T_Morph_X>0 else T_DurFull_X - T+_Dur_XT_Duration_XT duration in lead Xms11
T_PeakTime_XT_PeakTime_XT peak time in lead Xms11
Tp_Dur_X$ T_DurFull_X - T+_Dur_X if T_Morph_X > 0 else T_DurFull_X - T-_Dur_X TP_Duration_XT' duration in lead Xms11
Tp_Area_XTP_Area_XT' area in lead XmV*ms10.001
Tp_PeakTime_XTP_PeakTime_XT' peak time in lead Xms11
T_Off_XT_End_XT offset in lead Xms11
P_AreaFull_XPFull_Area_XSum of P and P' areasmV*ms10.001
T_AreaFull_XTFull_Area_XSum of T and T' areasmV*ms10.001
Q_On_GlobalQOnsetQ onsetms12
Q_Off_GlobalQOffsetQ offsetms12
ST_Elev_XSTc_XST elevation/depression from multiple Gaussian fits in lead XmV11
PQ_Int_XPQi_XPQ interval in lead Xms11
QT_IntCorr_XQTci_XQ-T interval corrected based on Framingham formula in lead Xms11
PQ_Int_GlobalPQi_maxmax PQ interval across all leadsms11
HA__GlobalelHAelectrical heart axis (1: left axis deviation, 2: horizontal axis, 3: normal axis, 4: vertical axis, 5: right axis, 6: extreme right axis deviation)integer11
QRS_Count_GlobalQRSCountNumber of QRS complexes46235176integer11