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

File: <base>/training/cpsc_2018/g1/A0866.hea (699 bytes) 
A0866 12 500 7000
A0866.mat 16x1+24 1000.0(0)/mV 16 0 -24 1223 0 I
A0866.mat 16x1+24 1000.0(0)/mV 16 0 -14 -2321 0 II
A0866.mat 16x1+24 1000.0(0)/mV 16 0 11 3456 0 III
A0866.mat 16x1+24 1000.0(0)/mV 16 0 18 -3375 0 aVR
A0866.mat 16x1+24 1000.0(0)/mV 16 0 -18 -3392 0 aVL
A0866.mat 16x1+24 1000.0(0)/mV 16 0 -2 1659 0 aVF
A0866.mat 16x1+24 1000.0(0)/mV 16 0 20 -569 0 V1
A0866.mat 16x1+24 1000.0(0)/mV 16 0 17 2063 0 V2
A0866.mat 16x1+24 1000.0(0)/mV 16 0 4 -1108 0 V3
A0866.mat 16x1+24 1000.0(0)/mV 16 0 -10 -765 0 V4
A0866.mat 16x1+24 1000.0(0)/mV 16 0 -15 1930 0 V5
A0866.mat 16x1+24 1000.0(0)/mV 16 0 -28 -45 0 V6
# Age: 56
# Sex: Female
# Dx: 270492004
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown