Will Two Do? Varying Dimensions in Electrocardiography: The PhysioNet/Computing in Cardiology Challenge 2021 1.0.3

File: <base>/training/cpsc_2018/g5/A4120.hea (699 bytes) 
A4120 12 500 10500
A4120.mat 16x1+24 1000.0(0)/mV 16 0 -20 2310 0 I
A4120.mat 16x1+24 1000.0(0)/mV 16 0 60 -3216 0 II
A4120.mat 16x1+24 1000.0(0)/mV 16 0 81 4974 0 III
A4120.mat 16x1+24 1000.0(0)/mV 16 0 -20 1255 0 aVR
A4120.mat 16x1+24 1000.0(0)/mV 16 0 -50 37 0 aVL
A4120.mat 16x1+24 1000.0(0)/mV 16 0 70 -608 0 aVF
A4120.mat 16x1+24 1000.0(0)/mV 16 0 60 -2376 0 V1
A4120.mat 16x1+24 1000.0(0)/mV 16 0 53 -1674 0 V2
A4120.mat 16x1+24 1000.0(0)/mV 16 0 -31 -3233 0 V3
A4120.mat 16x1+24 1000.0(0)/mV 16 0 -63 782 0 V4
A4120.mat 16x1+24 1000.0(0)/mV 16 0 -71 1329 0 V5
A4120.mat 16x1+24 1000.0(0)/mV 16 0 -42 -3484 0 V6
# Age: 86
# Sex: Male
# Dx: 270492004
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown