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

File: <base>/training/cpsc_2018/g2/A1509.hea (705 bytes) 
A1509 12 500 15000
A1509.mat 16x1+24 1000.0(0)/mV 16 0 -53 2550 0 I
A1509.mat 16x1+24 1000.0(0)/mV 16 0 -14 5190 0 II
A1509.mat 16x1+24 1000.0(0)/mV 16 0 13 5844 0 III
A1509.mat 16x1+24 1000.0(0)/mV 16 0 -19 -5938 0 aVR
A1509.mat 16x1+24 1000.0(0)/mV 16 0 -59 2046 0 aVL
A1509.mat 16x1+24 1000.0(0)/mV 16 0 -1 -2898 0 aVF
A1509.mat 16x1+24 1000.0(0)/mV 16 0 73 -2507 0 V1
A1509.mat 16x1+24 1000.0(0)/mV 16 0 -1327 -2358 0 V2
A1509.mat 16x1+24 1000.0(0)/mV 16 0 61 -4241 0 V3
A1509.mat 16x1+24 1000.0(0)/mV 16 0 15 10 0 V4
A1509.mat 16x1+24 1000.0(0)/mV 16 0 -30 1092 0 V5
A1509.mat 16x1+24 1000.0(0)/mV 16 0 -13 -5174 0 V6
# Age: 73
# Sex: Female
# Dx: 164909002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown