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

File: <base>/training/ningbo/g2/JS12312.hea (749 bytes) 
JS12312 12 500 5000
JS12312.mat 16x1+24 1000.0(0)/mV 16 0 24 21734 0 I
JS12312.mat 16x1+24 1000.0(0)/mV 16 0 63 -19475 0 II
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JS12312.mat 16x1+24 1000.0(0)/mV 16 0 -44 -27783 0 aVR
JS12312.mat 16x1+24 1000.0(0)/mV 16 0 -10 -7434 0 aVL
JS12312.mat 16x1+24 1000.0(0)/mV 16 0 49 29083 0 aVF
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JS12312.mat 16x1+24 1000.0(0)/mV 16 0 102 28544 0 V2
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JS12312.mat 16x1+24 1000.0(0)/mV 16 0 127 -24372 0 V6
# Age: 54
# Sex: Male
# Dx: 426783006,270492004
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown