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

File: <base>/training/ningbo/g34/JS43661.hea (763 bytes) 
JS43661 12 500 5000
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JS43661.mat 16x1+24 1000.0(0)/mV 16 0 15 1804 0 V2
JS43661.mat 16x1+24 1000.0(0)/mV 16 0 -83 -16512 0 V3
JS43661.mat 16x1+24 1000.0(0)/mV 16 0 -127 1456 0 V4
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JS43661.mat 16x1+24 1000.0(0)/mV 16 0 -190 26204 0 V6
# Age: 78
# Sex: Female
# Dx: 164930006,427084000,13640000
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown