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

File: <base>/training/ningbo/g20/JS30557.hea (736 bytes) 
JS30557 12 500 5000
JS30557.mat 16x1+24 1000.0(0)/mV 16 0 0 29855 0 I
JS30557.mat 16x1+24 1000.0(0)/mV 16 0 -39 21509 0 II
JS30557.mat 16x1+24 1000.0(0)/mV 16 0 -39 -8458 0 III
JS30557.mat 16x1+24 1000.0(0)/mV 16 0 20 -19633 0 aVR
JS30557.mat 16x1+24 1000.0(0)/mV 16 0 20 12934 0 aVL
JS30557.mat 16x1+24 1000.0(0)/mV 16 0 -39 498 0 aVF
JS30557.mat 16x1+24 1000.0(0)/mV 16 0 49 8022 0 V1
JS30557.mat 16x1+24 1000.0(0)/mV 16 0 54 -30727 0 V2
JS30557.mat 16x1+24 1000.0(0)/mV 16 0 73 -23827 0 V3
JS30557.mat 16x1+24 1000.0(0)/mV 16 0 20 -15153 0 V4
JS30557.mat 16x1+24 1000.0(0)/mV 16 0 -15 -20078 0 V5
JS30557.mat 16x1+24 1000.0(0)/mV 16 0 -24 -25634 0 V6
# Age: 53
# Sex: Female
# Dx: 426177001
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown