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

File: <base>/training/ningbo/g12/JS21857.hea (762 bytes) 
JS21857 12 500 5000
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JS21857.mat 16x1+24 1000.0(0)/mV 16 0 -78 30930 0 II
JS21857.mat 16x1+24 1000.0(0)/mV 16 0 -68 -8044 0 III
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JS21857.mat 16x1+24 1000.0(0)/mV 16 0 -73 -26705 0 aVF
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JS21857.mat 16x1+24 1000.0(0)/mV 16 0 -49 -1216 0 V2
JS21857.mat 16x1+24 1000.0(0)/mV 16 0 -10 32216 0 V3
JS21857.mat 16x1+24 1000.0(0)/mV 16 0 -146 22671 0 V4
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JS21857.mat 16x1+24 1000.0(0)/mV 16 0 -127 23981 0 V6
# Age: 60
# Sex: Female
# Dx: 426177001,61721007,55827005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown