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

File: <base>/training/ptb-xl/g13/HR12257.hea (740 bytes) 
HR12257 12 500 5000
HR12257.mat 16x1+24 1000.0(0)/mv 16 0 240 4956 0 I
HR12257.mat 16x1+24 1000.0(0)/mv 16 0 155 22622 0 II
HR12257.mat 16x1+24 1000.0(0)/mv 16 0 -85 17688 0 III
HR12257.mat 16x1+24 1000.0(0)/mv 16 0 -197 -13908 0 aVR
HR12257.mat 16x1+24 1000.0(0)/mv 16 0 162 -6021 0 aVL
HR12257.mat 16x1+24 1000.0(0)/mv 16 0 35 20141 0 aVF
HR12257.mat 16x1+24 1000.0(0)/mv 16 0 -50 -6958 0 V1
HR12257.mat 16x1+24 1000.0(0)/mv 16 0 410 14835 0 V2
HR12257.mat 16x1+24 1000.0(0)/mv 16 0 420 -23320 0 V3
HR12257.mat 16x1+24 1000.0(0)/mv 16 0 230 -8378 0 V4
HR12257.mat 16x1+24 1000.0(0)/mv 16 0 85 15481 0 V5
HR12257.mat 16x1+24 1000.0(0)/mv 16 0 25 -3233 0 V6
# Age: 35
# Sex: Female
# Dx: 426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown