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

File: <base>/training/chapman_shaoxing/g2/JS01721.hea (762 bytes) 
JS01721 12 500 5000
JS01721.mat 16x1+24 1000.0(0)/mV 16 0 -29 20416 0 I
JS01721.mat 16x1+24 1000.0(0)/mV 16 0 -5 -22013 0 II
JS01721.mat 16x1+24 1000.0(0)/mV 16 0 24 23003 0 III
JS01721.mat 16x1+24 1000.0(0)/mV 16 0 20 -25967 0 aVR
JS01721.mat 16x1+24 1000.0(0)/mV 16 0 -29 -7453 0 aVL
JS01721.mat 16x1+24 1000.0(0)/mV 16 0 10 27233 0 aVF
JS01721.mat 16x1+24 1000.0(0)/mV 16 0 54 17172 0 V1
JS01721.mat 16x1+24 1000.0(0)/mV 16 0 73 25540 0 V2
JS01721.mat 16x1+24 1000.0(0)/mV 16 0 49 29069 0 V3
JS01721.mat 16x1+24 1000.0(0)/mV 16 0 20 30702 0 V4
JS01721.mat 16x1+24 1000.0(0)/mV 16 0 34 27215 0 V5
JS01721.mat 16x1+24 1000.0(0)/mV 16 0 -5 30337 0 V6
# Age: 89
# Sex: Female
# Dx: 427084000,39732003,251146004,428750005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown