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

File: <base>/training/cpsc_2018/g4/A3504.hea (692 bytes) 
A3504 12 500 6074
A3504.mat 16x1+24 1000.0(0)/mV 16 0 -48 -12 0 I
A3504.mat 16x1+24 1000.0(0)/mV 16 0 -270 -61 0 II
A3504.mat 16x1+24 1000.0(0)/mV 16 0 -221 -76 0 III
A3504.mat 16x1+24 1000.0(0)/mV 16 0 159 21 0 aVR
A3504.mat 16x1+24 1000.0(0)/mV 16 0 86 50 0 aVL
A3504.mat 16x1+24 1000.0(0)/mV 16 0 -245 -48 0 aVF
A3504.mat 16x1+24 1000.0(0)/mV 16 0 149 -13 0 V1
A3504.mat 16x1+24 1000.0(0)/mV 16 0 147 -13 0 V2
A3504.mat 16x1+24 1000.0(0)/mV 16 0 153 -29 0 V3
A3504.mat 16x1+24 1000.0(0)/mV 16 0 113 -34 0 V4
A3504.mat 16x1+24 1000.0(0)/mV 16 0 -103 -9 0 V5
A3504.mat 16x1+24 1000.0(0)/mV 16 0 -246 -45 0 V6
# Age: 82
# Sex: Female
# Dx: 164889003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown