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

File: <base>/training/ningbo/g13/JS22747.hea (765 bytes) 
JS22747 12 500 5000
JS22747.mat 16x1+24 1000.0(0)/mV 16 0 -10 1404 0 I
JS22747.mat 16x1+24 1000.0(0)/mV 16 0 102 12683 0 II
JS22747.mat 16x1+24 1000.0(0)/mV 16 0 112 11238 0 III
JS22747.mat 16x1+24 1000.0(0)/mV 16 0 -44 -767 0 aVR
JS22747.mat 16x1+24 1000.0(0)/mV 16 0 -63 -11198 0 aVL
JS22747.mat 16x1+24 1000.0(0)/mV 16 0 107 5865 0 aVF
JS22747.mat 16x1+24 1000.0(0)/mV 16 0 -39 384 0 V1
JS22747.mat 16x1+24 1000.0(0)/mV 16 0 205 16104 0 V2
JS22747.mat 16x1+24 1000.0(0)/mV 16 0 298 25502 0 V3
JS22747.mat 16x1+24 1000.0(0)/mV 16 0 283 -31661 0 V4
JS22747.mat 16x1+24 1000.0(0)/mV 16 0 205 20977 0 V5
JS22747.mat 16x1+24 1000.0(0)/mV 16 0 137 19320 0 V6
# Age: 74
# Sex: Male
# Dx: 251146004,427393009,39732003,164917005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown