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

File: <base>/training/ningbo/g20/JS30121.hea (735 bytes) 
JS30121 12 500 5000
JS30121.mat 16x1+24 1000.0(0)/mV 16 0 -15 29510 0 I
JS30121.mat 16x1+24 1000.0(0)/mV 16 0 83 -27434 0 II
JS30121.mat 16x1+24 1000.0(0)/mV 16 0 98 8616 0 III
JS30121.mat 16x1+24 1000.0(0)/mV 16 0 -34 -27612 0 aVR
JS30121.mat 16x1+24 1000.0(0)/mV 16 0 -59 4392 0 aVL
JS30121.mat 16x1+24 1000.0(0)/mV 16 0 88 17376 0 aVF
JS30121.mat 16x1+24 1000.0(0)/mV 16 0 10 9488 0 V1
JS30121.mat 16x1+24 1000.0(0)/mV 16 0 102 23743 0 V2
JS30121.mat 16x1+24 1000.0(0)/mV 16 0 -146 10254 0 V3
JS30121.mat 16x1+24 1000.0(0)/mV 16 0 10 -28505 0 V4
JS30121.mat 16x1+24 1000.0(0)/mV 16 0 59 11093 0 V5
JS30121.mat 16x1+24 1000.0(0)/mV 16 0 73 -6173 0 V6
# Age: 64
# Sex: Female
# Dx: 426177001
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown