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

File: <base>/training/ningbo/g8/JS17991.hea (763 bytes) 
JS17991 12 500 5000
JS17991.mat 16x1+24 1000.0(0)/mV 16 0 5 2912 0 I
JS17991.mat 16x1+24 1000.0(0)/mV 16 0 -24 2614 0 II
JS17991.mat 16x1+24 1000.0(0)/mV 16 0 -29 -372 0 III
JS17991.mat 16x1+24 1000.0(0)/mV 16 0 10 3418 0 aVR
JS17991.mat 16x1+24 1000.0(0)/mV 16 0 15 -4369 0 aVL
JS17991.mat 16x1+24 1000.0(0)/mV 16 0 -29 -5057 0 aVF
JS17991.mat 16x1+24 1000.0(0)/mV 16 0 44 3201 0 V1
JS17991.mat 16x1+24 1000.0(0)/mV 16 0 273 -19349 0 V2
JS17991.mat 16x1+24 1000.0(0)/mV 16 0 83 -11397 0 V3
JS17991.mat 16x1+24 1000.0(0)/mV 16 0 -73 10496 0 V4
JS17991.mat 16x1+24 1000.0(0)/mV 16 0 49 216 0 V5
JS17991.mat 16x1+24 1000.0(0)/mV 16 0 20 167 0 V6
# Age: 87
# Sex: Female
# Dx: 55827005,429622005,59931005,164890007,55930002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown