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

File: <base>/training/ningbo/g11/JS21593.hea (756 bytes) 
JS21593 12 500 5000
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JS21593.mat 16x1+24 1000.0(0)/mV 16 0 15 21494 0 aVF
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JS21593.mat 16x1+24 1000.0(0)/mV 16 0 -15 -26918 0 V2
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JS21593.mat 16x1+24 1000.0(0)/mV 16 0 -93 11282 0 V4
JS21593.mat 16x1+24 1000.0(0)/mV 16 0 -24 9484 0 V5
JS21593.mat 16x1+24 1000.0(0)/mV 16 0 -63 30524 0 V6
# Age: 67
# Sex: Male
# Dx: 426177001,713427006,55827005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown