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

File: <base>/training/ningbo/g12/JS22357.hea (744 bytes) 
JS22357 12 500 5000
JS22357.mat 16x1+24 1000.0(0)/mV 16 0 -20 6111 0 I
JS22357.mat 16x1+24 1000.0(0)/mV 16 0 -5 11047 0 II
JS22357.mat 16x1+24 1000.0(0)/mV 16 0 15 4772 0 III
JS22357.mat 16x1+24 1000.0(0)/mV 16 0 15 -2681 0 aVR
JS22357.mat 16x1+24 1000.0(0)/mV 16 0 -20 -5477 0 aVL
JS22357.mat 16x1+24 1000.0(0)/mV 16 0 5 1826 0 aVF
JS22357.mat 16x1+24 1000.0(0)/mV 16 0 -68 4468 0 V1
JS22357.mat 16x1+24 1000.0(0)/mV 16 0 20 1540 0 V2
JS22357.mat 16x1+24 1000.0(0)/mV 16 0 24 7101 0 V3
JS22357.mat 16x1+24 1000.0(0)/mV 16 0 34 12415 0 V4
JS22357.mat 16x1+24 1000.0(0)/mV 16 0 -15 13598 0 V5
JS22357.mat 16x1+24 1000.0(0)/mV 16 0 15 -3322 0 V6
# Age: 72
# Sex: Male
# Dx: 426995002,111975006,426177001
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown