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

File: <base>/training/cpsc_2018/g4/A3558.hea (710 bytes) 
A3558 12 500 15000
A3558.mat 16x1+24 1000.0(0)/mV 16 0 -42 4231 0 I
A3558.mat 16x1+24 1000.0(0)/mV 16 0 -48 4553 0 II
A3558.mat 16x1+24 1000.0(0)/mV 16 0 -6 322 0 III
A3558.mat 16x1+24 1000.0(0)/mV 16 0 45 -6372 0 aVR
A3558.mat 16x1+24 1000.0(0)/mV 16 0 -18 -4550 0 aVL
A3558.mat 16x1+24 1000.0(0)/mV 16 0 -27 -4067 0 aVF
A3558.mat 16x1+24 1000.0(0)/mV 16 0 8 -6720 0 V1
A3558.mat 16x1+24 1000.0(0)/mV 16 0 -124 -1468 0 V2
A3558.mat 16x1+24 1000.0(0)/mV 16 0 -189 -5924 0 V3
A3558.mat 16x1+24 1000.0(0)/mV 16 0 -164 1006 0 V4
A3558.mat 16x1+24 1000.0(0)/mV 16 0 -189 -2705 0 V5
A3558.mat 16x1+24 1000.0(0)/mV 16 0 -81 4685 0 V6
# Age: 50
# Sex: Female
# Dx: 164884008
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown