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

File: <base>/training/chapman_shaoxing/g1/JS00661.hea (735 bytes) 
JS00661 12 500 5000
JS00661.mat 16x1+24 1000.0(0)/mV 16 0 -5 8048 0 I
JS00661.mat 16x1+24 1000.0(0)/mV 16 0 29 440 0 II
JS00661.mat 16x1+24 1000.0(0)/mV 16 0 34 -7684 0 III
JS00661.mat 16x1+24 1000.0(0)/mV 16 0 -10 1904 0 aVR
JS00661.mat 16x1+24 1000.0(0)/mV 16 0 -20 1742 0 aVL
JS00661.mat 16x1+24 1000.0(0)/mV 16 0 29 -9606 0 aVF
JS00661.mat 16x1+24 1000.0(0)/mV 16 0 34 -6823 0 V1
JS00661.mat 16x1+24 1000.0(0)/mV 16 0 -10 -6882 0 V2
JS00661.mat 16x1+24 1000.0(0)/mV 16 0 24 5353 0 V3
JS00661.mat 16x1+24 1000.0(0)/mV 16 0 -34 3708 0 V4
JS00661.mat 16x1+24 1000.0(0)/mV 16 0 -15 10846 0 V5
JS00661.mat 16x1+24 1000.0(0)/mV 16 0 -39 8593 0 V6
# Age: 89
# Sex: Male
# Dx: 164889003,251146004
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown