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

File: <base>/training/ptb-xl/g22/HR21257.hea (740 bytes) 
HR21257 12 500 5000
HR21257.mat 16x1+24 1000.0(0)/mv 16 0 30 -26949 0 I
HR21257.mat 16x1+24 1000.0(0)/mv 16 0 95 -24169 0 II
HR21257.mat 16x1+24 1000.0(0)/mv 16 0 65 2781 0 III
HR21257.mat 16x1+24 1000.0(0)/mv 16 0 -63 25458 0 aVR
HR21257.mat 16x1+24 1000.0(0)/mv 16 0 -18 -14528 0 aVL
HR21257.mat 16x1+24 1000.0(0)/mv 16 0 80 -10596 0 aVF
HR21257.mat 16x1+24 1000.0(0)/mv 16 0 60 -2225 0 V1
HR21257.mat 16x1+24 1000.0(0)/mv 16 0 50 -3923 0 V2
HR21257.mat 16x1+24 1000.0(0)/mv 16 0 15 -16436 0 V3
HR21257.mat 16x1+24 1000.0(0)/mv 16 0 -25 -14952 0 V4
HR21257.mat 16x1+24 1000.0(0)/mv 16 0 50 -27434 0 V5
HR21257.mat 16x1+24 1000.0(0)/mv 16 0 -20 -13171 0 V6
# Age: 37
# Sex: Female
# Dx: 426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown