PTB-XL+, a comprehensive electrocardiographic feature dataset 1.0.0

File: <base>/features/old/feature_description.csv (20,912 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_XP (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 depth 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_XSTc_XST amplitude.lead X21490798,21490799,21490800,21490792,21490793,21490794,21490795,21490796,21490797,21490801,21490803,21490802mV0.0010.001
ST_Amp80ms_XILM_ST80_Amp_XST amplitude.J point+80 ms 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 plane Reference beat3028068degrees11
P_Dur_GlobalOnOff_P_Duration$ P_Off_Global-P_On_GlobalPWd_maxP wave duration3028024ms11
P_Off_GlobalOnOff_P_TerminationP_OffsetP wave offset [Time] Reference beat3022707ms12
P_On_GlobalOnOff_P_OnsetP_OnsetP wave onset [Time] Reference beat3006569ms12
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 plane Reference beat3028303degrees11
QRS_On_GlobalOnOff_QRS_OnsetQRS_OnsetQRS onset [Time] Reference beat3025562ms12
QRS_Off_GlobalOnOff_QRS_TerminationQRS_OffsetQRS offset [Time] Reference beat3026651ms12
RR_Mean_GlobalGM_Average_RR_SinusAvgRRIntervalRRi_maxR-R interval (Mean value during study) by EKG3006307ms11
RR_StdDev_GlobalGM_StdDev_Normal_RR_IntervalsR-R interval.standard deviation (Heart rate variability) by EKG46235182ms11
T_Off_GlobalOnOff_T_TerminationT_OffsetT wave offset [Time] Reference beat3027776ms12
T_On_GlobalOnOff_T_OnsetT_OnsetT wave onset [Time] Reference beatmsT_Onset not defined unambiguously12
T_AxisFront_GlobalGM_TFrontalAxisTAxisT wave axis.frontal plane Reference beat3009913degrees11
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-beat by EKG21490872bpm11
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 4/8 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 plane Reference beatdegrees11
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 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
Pacing interval Artificial cardiac pacemaker3024513ms1
Pauses30091331
Premature atrial contractions30161301
Premature ventricular contractions30163691
Premature ventricular contractions [#]214908391
Q wave depth3024797mV1
Q wave duration3007992ms1
Q-T interval corrected3026258ms1
QRS axis3006277degrees1
QRS axis.horizontal plane Reference beat3025448degrees1
QRS initial amplitude in lead X3025807, 3025713, 3026256, 3013076, 3027357, 3013568, 3021413, 3026609, 3027212, 3007990, 3022020, 3006275mV1
QRS terminal amplitude in lead X3009858, 3015593, 3019351, 3021937, 3024346, 3010244, 3010472, 3016265, 3021896, 3010319, 3009253, 3028262mV1
R wave amplitude.V5+S wave amplitude.V146235175mV1
R wave amplitude.V6+S wave amplitude.V146235185mV1
R_AxisFrontal_GlobalRAxisR wave axis.frontal plane Reference beatdegrees11
R wave axis.horizontal plane3025998degrees1
R-R interval (Maximum value during study) by EKG46235177ms1
R-R interval (Mean value during study) by EKG3006307ms1
R-R interval (Minimum value during study) by EKG46235178ms1
R-R interval by EKG3013078ms1
R-R interval.coefficient of variation by EKG46235183ms1
ST amplitude.J point+20 ms Lead X3037881, 3038112, 3034093, 3003044, 3001940, 3001161, 3033375, 3034227, 3034760, 3002779, 3000647, 3001670mV1
ST amplitude.J point+60 ms Lead X3017487, 3035117, 3035359, 3035850, 3009685, 3012882, 3018402, 3008035, 3014873, 3019957, 3012289, 3013933mV1
ST amplitude.precordial lead21490664mV1
ST deviation30174531
ST deviation (Maximum value during study) by EKG370212581
ST initial amplitude 6 ms in lead X3010649, 3020482, 3020708, 3005632, 3000023, 3010724, 3014945, 3021151, 3021376, 3026419, 3010059, 3012935mV1
ST segment axis.horizontal plane3007722degrees1
ST wave end displacement in lead X3012996, 3001179, 3033640, 3034484, 3035012, 3019916, 3013959, 3012255, 3017748, 3033589, 3022408, 30341261
ST wave mid displacement in lead X3009717, 3012908, 3018117, 3008058, 3014901, 3015432, 3008881, 3007593, 3007047, 3018355, 3035888, 30189031
T wave axis.horizontal plane Reference beat3026894degrees1
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
Total beats during EKG46235176integer1
Ventricular ectopics30167911
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_XT 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_XFull (P and P') areamV*ms10.001
T_AreaFull_XTFull_Area_XFull (T and T') areamV*ms10.001
Q_On_GlobalQOnsetQ onsetms12
Q_Off_GlobalQOffsetQ offsetms12
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