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

File: <base>/training/ningbo/g3/JS12977.hea (747 bytes) 
JS12977 12 500 5000
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JS12977.mat 16x1+24 1000.0(0)/mV 16 0 0 6935 0 III
JS12977.mat 16x1+24 1000.0(0)/mV 16 0 0 -7917 0 aVR
JS12977.mat 16x1+24 1000.0(0)/mV 16 0 0 -4347 0 aVL
JS12977.mat 16x1+24 1000.0(0)/mV 16 0 0 5836 0 aVF
JS12977.mat 16x1+24 1000.0(0)/mV 16 0 234 -11148 0 V1
JS12977.mat 16x1+24 1000.0(0)/mV 16 0 -10 4986 0 V2
JS12977.mat 16x1+24 1000.0(0)/mV 16 0 112 16093 0 V3
JS12977.mat 16x1+24 1000.0(0)/mV 16 0 132 22422 0 V4
JS12977.mat 16x1+24 1000.0(0)/mV 16 0 122 31774 0 V5
JS12977.mat 16x1+24 1000.0(0)/mV 16 0 -83 31021 0 V6
# Age: 83
# Sex: Female
# Dx: 698252002,164890007,164934002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown