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

File: <base>/training/ptb-xl/g19/HR18257.hea (744 bytes) 
HR18257 12 500 5000
HR18257.mat 16x1+24 1000.0(0)/mv 16 0 315 -3771 0 I
HR18257.mat 16x1+24 1000.0(0)/mv 16 0 155 940 0 II
HR18257.mat 16x1+24 1000.0(0)/mv 16 0 -160 4670 0 III
HR18257.mat 16x1+24 1000.0(0)/mv 16 0 -235 1055 0 aVR
HR18257.mat 16x1+24 1000.0(0)/mv 16 0 237 -3872 0 aVL
HR18257.mat 16x1+24 1000.0(0)/mv 16 0 -2 2800 0 aVF
HR18257.mat 16x1+24 1000.0(0)/mv 16 0 -65 -1658 0 V1
HR18257.mat 16x1+24 1000.0(0)/mv 16 0 510 -12409 0 V2
HR18257.mat 16x1+24 1000.0(0)/mv 16 0 405 766 0 V3
HR18257.mat 16x1+24 1000.0(0)/mv 16 0 470 -1569 0 V4
HR18257.mat 16x1+24 1000.0(0)/mv 16 0 405 -12062 0 V5
HR18257.mat 16x1+24 1000.0(0)/mv 16 0 405 4525 0 V6
# Age: 66
# Sex: Male
# Dx: 164873001,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown