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

File: <base>/training/chapman_shaoxing/g1/JS00321.hea (737 bytes) 
JS00321 12 500 5000
JS00321.mat 16x1+24 1000.0(0)/mV 16 0 68 18635 0 I
JS00321.mat 16x1+24 1000.0(0)/mV 16 0 -29 15094 0 II
JS00321.mat 16x1+24 1000.0(0)/mV 16 0 -98 -3547 0 III
JS00321.mat 16x1+24 1000.0(0)/mV 16 0 -20 -10798 0 aVR
JS00321.mat 16x1+24 1000.0(0)/mV 16 0 83 5010 0 aVL
JS00321.mat 16x1+24 1000.0(0)/mV 16 0 -63 -330 0 aVF
JS00321.mat 16x1+24 1000.0(0)/mV 16 0 166 -16420 0 V1
JS00321.mat 16x1+24 1000.0(0)/mV 16 0 210 5884 0 V2
JS00321.mat 16x1+24 1000.0(0)/mV 16 0 322 29110 0 V3
JS00321.mat 16x1+24 1000.0(0)/mV 16 0 332 4206 0 V4
JS00321.mat 16x1+24 1000.0(0)/mV 16 0 1147 -22357 0 V5
JS00321.mat 16x1+24 1000.0(0)/mV 16 0 322 -6193 0 V6
# Age: 80
# Sex: Male
# Dx: 164889003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown