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

File: <base>/training/ningbo/g11/JS21308.hea (744 bytes) 
JS21308 12 500 5000
JS21308.mat 16x1+24 1000.0(0)/mV 16 0 -39 7299 0 I
JS21308.mat 16x1+24 1000.0(0)/mV 16 0 10 9717 0 II
JS21308.mat 16x1+24 1000.0(0)/mV 16 0 49 2540 0 III
JS21308.mat 16x1+24 1000.0(0)/mV 16 0 15 -2399 0 aVR
JS21308.mat 16x1+24 1000.0(0)/mV 16 0 -44 -3791 0 aVL
JS21308.mat 16x1+24 1000.0(0)/mV 16 0 29 -36 0 aVF
JS21308.mat 16x1+24 1000.0(0)/mV 16 0 24 2624 0 V1
JS21308.mat 16x1+24 1000.0(0)/mV 16 0 102 -30550 0 V2
JS21308.mat 16x1+24 1000.0(0)/mV 16 0 20 19855 0 V3
JS21308.mat 16x1+24 1000.0(0)/mV 16 0 34 7081 0 V4
JS21308.mat 16x1+24 1000.0(0)/mV 16 0 15 12744 0 V5
JS21308.mat 16x1+24 1000.0(0)/mV 16 0 264 26887 0 V6
# Age: 70
# Sex: Male
# Dx: 426177001,251146004,61721007
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown