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

File: <base>/training/cpsc_2018/g1/A0631.hea (685 bytes) 
A0631 12 500 25992
A0631.mat 16x1+24 1000.0(0)/mV 16 0 -34 -92 0 I
A0631.mat 16x1+24 1000.0(0)/mV 16 0 -23 -65 0 II
A0631.mat 16x1+24 1000.0(0)/mV 16 0 11 -16 0 III
A0631.mat 16x1+24 1000.0(0)/mV 16 0 28 126 0 aVR
A0631.mat 16x1+24 1000.0(0)/mV 16 0 -22 8 0 aVL
A0631.mat 16x1+24 1000.0(0)/mV 16 0 -6 -37 0 aVF
A0631.mat 16x1+24 1000.0(0)/mV 16 0 25 60 0 V1
A0631.mat 16x1+24 1000.0(0)/mV 16 0 -8 -34 0 V2
A0631.mat 16x1+24 1000.0(0)/mV 16 0 -3 -48 0 V3
A0631.mat 16x1+24 1000.0(0)/mV 16 0 -33 -58 0 V4
A0631.mat 16x1+24 1000.0(0)/mV 16 0 -40 -149 0 V5
A0631.mat 16x1+24 1000.0(0)/mV 16 0 -56 -108 0 V6
# Age: 60
# Sex: Female
# Dx: 284470004
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown