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

File: <base>/training/cpsc_2018/g1/A0663.hea (675 bytes) 
A0663 12 500 5000
A0663.mat 16x1+24 1000.0(0)/mV 16 0 -12 8 0 I
A0663.mat 16x1+24 1000.0(0)/mV 16 0 20 -6 0 II
A0663.mat 16x1+24 1000.0(0)/mV 16 0 32 -25 0 III
A0663.mat 16x1+24 1000.0(0)/mV 16 0 -3 11 0 aVR
A0663.mat 16x1+24 1000.0(0)/mV 16 0 -23 20 0 aVL
A0663.mat 16x1+24 1000.0(0)/mV 16 0 25 11 0 aVF
A0663.mat 16x1+24 1000.0(0)/mV 16 0 38 21 0 V1
A0663.mat 16x1+24 1000.0(0)/mV 16 0 138 21 0 V2
A0663.mat 16x1+24 1000.0(0)/mV 16 0 101 51 0 V3
A0663.mat 16x1+24 1000.0(0)/mV 16 0 116 14 0 V4
A0663.mat 16x1+24 1000.0(0)/mV 16 0 93 30 0 V5
A0663.mat 16x1+24 1000.0(0)/mV 16 0 -187 -1042 0 V6
# Age: 81
# Sex: Male
# Dx: 164889003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown