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

File: <base>/training/ptb/g1/S0015.hea (715 bytes) 
S0015 12 1000 115200
S0015.mat 16x1+24 1000.0(0)/mv 16 0 -644 4430 0 I
S0015.mat 16x1+24 1000.0(0)/mv 16 0 -1048 -24745 0 II
S0015.mat 16x1+24 1000.0(0)/mv 16 0 -405 -13083 0 III
S0015.mat 16x1+24 1000.0(0)/mv 16 0 846 -14162 0 aVR
S0015.mat 16x1+24 1000.0(0)/mv 16 0 -120 2672 0 aVL
S0015.mat 16x1+24 1000.0(0)/mv 16 0 -727 -21590 0 aVF
S0015.mat 16x1+24 1000.0(0)/mv 16 0 -27 -7477 0 V1
S0015.mat 16x1+24 1000.0(0)/mv 16 0 -288 14311 0 V2
S0015.mat 16x1+24 1000.0(0)/mv 16 0 81 12019 0 V3
S0015.mat 16x1+24 1000.0(0)/mv 16 0 307 -13649 0 V4
S0015.mat 16x1+24 1000.0(0)/mv 16 0 159 -22597 0 V5
S0015.mat 16x1+24 1000.0(0)/mv 16 0 -298 -1538 0 V6
# Age: 62
# Sex: Female
# Dx: 164865005
# Rx: Unknown
# Hx: Unknown