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

File: <base>/training/ptb/g1/S0053.hea (711 bytes) 
S0053 12 1000 115200
S0053.mat 16x1+24 1000.0(0)/mv 16 0 -470 -12041 0 I
S0053.mat 16x1+24 1000.0(0)/mv 16 0 1218 13915 0 II
S0053.mat 16x1+24 1000.0(0)/mv 16 0 1687 8656 0 III
S0053.mat 16x1+24 1000.0(0)/mv 16 0 -374 -8063 0 aVR
S0053.mat 16x1+24 1000.0(0)/mv 16 0 -1079 5087 0 aVL
S0053.mat 16x1+24 1000.0(0)/mv 16 0 1453 11909 0 aVF
S0053.mat 16x1+24 1000.0(0)/mv 16 0 -222 14184 0 V1
S0053.mat 16x1+24 1000.0(0)/mv 16 0 -926 27158 0 V2
S0053.mat 16x1+24 1000.0(0)/mv 16 0 -823 7435 0 V3
S0053.mat 16x1+24 1000.0(0)/mv 16 0 -717 23893 0 V4
S0053.mat 16x1+24 1000.0(0)/mv 16 0 -901 3619 0 V5
S0053.mat 16x1+24 1000.0(0)/mv 16 0 -418 1814 0 V6
# Age: 57
# Sex: Male
# Dx: 164865005
# Rx: Unknown
# Hx: Unknown