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

File: <base>/training/chapman_shaoxing/g1/JS00997.hea (747 bytes) 
JS00997 12 500 5000
JS00997.mat 16x1+24 1000.0(0)/mV 16 0 5 3045 0 I
JS00997.mat 16x1+24 1000.0(0)/mV 16 0 -24 9205 0 II
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JS00997.mat 16x1+24 1000.0(0)/mV 16 0 10 148 0 aVR
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JS00997.mat 16x1+24 1000.0(0)/mV 16 0 -34 -1910 0 V2
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JS00997.mat 16x1+24 1000.0(0)/mV 16 0 -24 27829 0 V4
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JS00997.mat 16x1+24 1000.0(0)/mV 16 0 -10 22664 0 V6
# Age: 66
# Sex: Male
# Dx: 426177001,284470004,55827005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown