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

File: <base>/training/chapman_shaoxing/g8/JS07777.hea (760 bytes) 
JS07777 12 500 5000
JS07777.mat 16x1+24 1000.0(0)/mV 16 0 449 -2348 0 I
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JS07777.mat 16x1+24 1000.0(0)/mV 16 0 -322 19791 0 aVR
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JS07777.mat 16x1+24 1000.0(0)/mV 16 0 -29 -30543 0 aVF
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JS07777.mat 16x1+24 1000.0(0)/mV 16 0 -2069 12762 0 V2
JS07777.mat 16x1+24 1000.0(0)/mV 16 0 -1786 7641 0 V3
JS07777.mat 16x1+24 1000.0(0)/mV 16 0 898 18196 0 V4
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JS07777.mat 16x1+24 1000.0(0)/mV 16 0 625 -21593 0 V6
# Age: 59
# Sex: Female
# Dx: 164889003,698252002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown