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

File: <base>/training/ptb/g1/S0042.hea (696 bytes) 
S0042 12 1000 115200
S0042.mat 16x1+24 1000.0(0)/mv 16 0 -57 13212 0 I
S0042.mat 16x1+24 1000.0(0)/mv 16 0 21 -24545 0 II
S0042.mat 16x1+24 1000.0(0)/mv 16 0 79 -31963 0 III
S0042.mat 16x1+24 1000.0(0)/mv 16 0 18 -31007 0 aVR
S0042.mat 16x1+24 1000.0(0)/mv 16 0 -69 -23681 0 aVL
S0042.mat 16x1+24 1000.0(0)/mv 16 0 50 -19277 0 aVF
S0042.mat 16x1+24 1000.0(0)/mv 16 0 8 18649 0 V1
S0042.mat 16x1+24 1000.0(0)/mv 16 0 144 1140 0 V2
S0042.mat 16x1+24 1000.0(0)/mv 16 0 26 -4071 0 V3
S0042.mat 16x1+24 1000.0(0)/mv 16 0 221 6847 0 V4
S0042.mat 16x1+24 1000.0(0)/mv 16 0 152 17892 0 V5
S0042.mat 16x1+24 1000.0(0)/mv 16 0 32 2630 0 V6
# Age: 63
# Sex: Male
# Dx: 164865005
# Rx: Unknown
# Hx: Unknown