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

File: <base>/training/ningbo/g13/JS23353.hea (750 bytes) 
JS23353 12 500 5000
JS23353.mat 16x1+24 1000.0(0)/mV 16 0 -54 2714 0 I
JS23353.mat 16x1+24 1000.0(0)/mV 16 0 20 10225 0 II
JS23353.mat 16x1+24 1000.0(0)/mV 16 0 73 7675 0 III
JS23353.mat 16x1+24 1000.0(0)/mV 16 0 20 -441 0 aVR
JS23353.mat 16x1+24 1000.0(0)/mV 16 0 -63 -8586 0 aVL
JS23353.mat 16x1+24 1000.0(0)/mV 16 0 44 2865 0 aVF
JS23353.mat 16x1+24 1000.0(0)/mV 16 0 -102 2898 0 V1
JS23353.mat 16x1+24 1000.0(0)/mV 16 0 88 31317 0 V2
JS23353.mat 16x1+24 1000.0(0)/mV 16 0 54 2979 0 V3
JS23353.mat 16x1+24 1000.0(0)/mV 16 0 -127 20109 0 V4
JS23353.mat 16x1+24 1000.0(0)/mV 16 0 381 4366 0 V5
JS23353.mat 16x1+24 1000.0(0)/mV 16 0 -146 -24855 0 V6
# Age: 66
# Sex: Female
# Dx: 164934002,59931005,10370003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown