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

File: <base>/training/ningbo/g3/JS12923.hea (749 bytes) 
JS12923 12 500 5000
JS12923.mat 16x1+24 1000.0(0)/mV 16 0 -5 15960 0 I
JS12923.mat 16x1+24 1000.0(0)/mV 16 0 -49 14830 0 II
JS12923.mat 16x1+24 1000.0(0)/mV 16 0 -44 -1101 0 III
JS12923.mat 16x1+24 1000.0(0)/mV 16 0 29 -9272 0 aVR
JS12923.mat 16x1+24 1000.0(0)/mV 16 0 20 2617 0 aVL
JS12923.mat 16x1+24 1000.0(0)/mV 16 0 -49 820 0 aVF
JS12923.mat 16x1+24 1000.0(0)/mV 16 0 -410 -9217 0 V1
JS12923.mat 16x1+24 1000.0(0)/mV 16 0 -264 -1518 0 V2
JS12923.mat 16x1+24 1000.0(0)/mV 16 0 -93 5556 0 V3
JS12923.mat 16x1+24 1000.0(0)/mV 16 0 15 3438 0 V4
JS12923.mat 16x1+24 1000.0(0)/mV 16 0 20 10128 0 V5
JS12923.mat 16x1+24 1000.0(0)/mV 16 0 44 1619 0 V6
# Age: 89
# Sex: Male
# Dx: 698252002,164890007,713427006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown