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

File: <base>/training/chapman_shaoxing/g5/JS04721.hea (741 bytes) 
JS04721 12 500 5000
JS04721.mat 16x1+24 1000.0(0)/mV 16 0 -24 4772 0 I
JS04721.mat 16x1+24 1000.0(0)/mV 16 0 10 13427 0 II
JS04721.mat 16x1+24 1000.0(0)/mV 16 0 34 8564 0 III
JS04721.mat 16x1+24 1000.0(0)/mV 16 0 10 -2803 0 aVR
JS04721.mat 16x1+24 1000.0(0)/mV 16 0 -29 -7939 0 aVL
JS04721.mat 16x1+24 1000.0(0)/mV 16 0 20 5063 0 aVF
JS04721.mat 16x1+24 1000.0(0)/mV 16 0 20 10843 0 V1
JS04721.mat 16x1+24 1000.0(0)/mV 16 0 44 -30302 0 V2
JS04721.mat 16x1+24 1000.0(0)/mV 16 0 -15 14859 0 V3
JS04721.mat 16x1+24 1000.0(0)/mV 16 0 -10 9747 0 V4
JS04721.mat 16x1+24 1000.0(0)/mV 16 0 -10 13686 0 V5
JS04721.mat 16x1+24 1000.0(0)/mV 16 0 -29 21123 0 V6
# Age: 42
# Sex: Female
# Dx: 426177001,39732003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown