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

File: <base>/training/chapman_shaoxing/g9/JS08752.hea (751 bytes) 
JS08752 12 500 5000
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JS08752.mat 16x1+24 1000.0(0)/mV 16 0 171 -20342 0 II
JS08752.mat 16x1+24 1000.0(0)/mV 16 0 54 -896 0 III
JS08752.mat 16x1+24 1000.0(0)/mV 16 0 -142 25805 0 aVR
JS08752.mat 16x1+24 1000.0(0)/mV 16 0 29 17425 0 aVL
JS08752.mat 16x1+24 1000.0(0)/mV 16 0 112 15925 0 aVF
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JS08752.mat 16x1+24 1000.0(0)/mV 16 0 249 -20353 0 V2
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JS08752.mat 16x1+24 1000.0(0)/mV 16 0 244 -6610 0 V6
# Age: 70
# Sex: Female
# Dx: 427084000,17338001
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown