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

File: <base>/training/ptb/g1/S0021.hea (704 bytes) 
S0021 12 1000 115200
S0021.mat 16x1+24 1000.0(0)/mv 16 0 41 -30479 0 I
S0021.mat 16x1+24 1000.0(0)/mv 16 0 -321 -2353 0 II
S0021.mat 16x1+24 1000.0(0)/mv 16 0 -362 -4214 0 III
S0021.mat 16x1+24 1000.0(0)/mv 16 0 140 8626 0 aVR
S0021.mat 16x1+24 1000.0(0)/mv 16 0 201 16424 0 aVL
S0021.mat 16x1+24 1000.0(0)/mv 16 0 -341 -2791 0 aVF
S0021.mat 16x1+24 1000.0(0)/mv 16 0 104 12540 0 V1
S0021.mat 16x1+24 1000.0(0)/mv 16 0 223 15814 0 V2
S0021.mat 16x1+24 1000.0(0)/mv 16 0 152 2624 0 V3
S0021.mat 16x1+24 1000.0(0)/mv 16 0 -11 20560 0 V4
S0021.mat 16x1+24 1000.0(0)/mv 16 0 -156 -20765 0 V5
S0021.mat 16x1+24 1000.0(0)/mv 16 0 17 19300 0 V6
# Age: 60
# Sex: Male
# Dx: 164865005
# Rx: Unknown
# Hx: Unknown