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

File: <base>/training/ptb/g1/S0064.hea (712 bytes) 
S0064 12 1000 115200
S0064.mat 16x1+24 1000.0(0)/mv 16 0 -236 -3364 0 I
S0064.mat 16x1+24 1000.0(0)/mv 16 0 -130 -13862 0 II
S0064.mat 16x1+24 1000.0(0)/mv 16 0 106 24915 0 III
S0064.mat 16x1+24 1000.0(0)/mv 16 0 183 -32485 0 aVR
S0064.mat 16x1+24 1000.0(0)/mv 16 0 -171 -18065 0 aVL
S0064.mat 16x1+24 1000.0(0)/mv 16 0 -12 6055 0 aVF
S0064.mat 16x1+24 1000.0(0)/mv 16 0 -64 -11499 0 V1
S0064.mat 16x1+24 1000.0(0)/mv 16 0 -54 8935 0 V2
S0064.mat 16x1+24 1000.0(0)/mv 16 0 -109 -15292 0 V3
S0064.mat 16x1+24 1000.0(0)/mv 16 0 -133 18554 0 V4
S0064.mat 16x1+24 1000.0(0)/mv 16 0 -194 -12114 0 V5
S0064.mat 16x1+24 1000.0(0)/mv 16 0 -71 26210 0 V6
# Age: 69
# Sex: Male
# Dx: 164865005
# Rx: Unknown
# Hx: Unknown