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

File: <base>/training/ptb/g1/S0311.hea (710 bytes) 
S0311 12 1000 115200
S0311.mat 16x1+24 1000.0(0)/mv 16 0 -39 -2950 0 I
S0311.mat 16x1+24 1000.0(0)/mv 16 0 -808 13539 0 II
S0311.mat 16x1+24 1000.0(0)/mv 16 0 -770 -28330 0 III
S0311.mat 16x1+24 1000.0(0)/mv 16 0 423 -3504 0 aVR
S0311.mat 16x1+24 1000.0(0)/mv 16 0 365 -30960 0 aVL
S0311.mat 16x1+24 1000.0(0)/mv 16 0 -789 17971 0 aVF
S0311.mat 16x1+24 1000.0(0)/mv 16 0 290 15862 0 V1
S0311.mat 16x1+24 1000.0(0)/mv 16 0 480 21838 0 V2
S0311.mat 16x1+24 1000.0(0)/mv 16 0 217 9022 0 V3
S0311.mat 16x1+24 1000.0(0)/mv 16 0 -247 -13878 0 V4
S0311.mat 16x1+24 1000.0(0)/mv 16 0 120 -27637 0 V5
S0311.mat 16x1+24 1000.0(0)/mv 16 0 86 26684 0 V6
# Age: 72
# Sex: Female
# Dx: 164865005
# Rx: Unknown
# Hx: Unknown