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

File: <base>/training/cpsc_2018/g4/A3881.hea (695 bytes) 
A3881 12 500 5000
A3881.mat 16x1+24 1000.0(0)/mV 16 0 -13 2016 0 I
A3881.mat 16x1+24 1000.0(0)/mV 16 0 12 2241 0 II
A3881.mat 16x1+24 1000.0(0)/mV 16 0 25 225 0 III
A3881.mat 16x1+24 1000.0(0)/mV 16 0 1 2329 0 aVR
A3881.mat 16x1+24 1000.0(0)/mV 16 0 -19 -1233 0 aVL
A3881.mat 16x1+24 1000.0(0)/mV 16 0 18 -542 0 aVF
A3881.mat 16x1+24 1000.0(0)/mV 16 0 59 -1038 0 V1
A3881.mat 16x1+24 1000.0(0)/mV 16 0 65 -2043 0 V2
A3881.mat 16x1+24 1000.0(0)/mV 16 0 11 76 0 V3
A3881.mat 16x1+24 1000.0(0)/mV 16 0 -22 373 0 V4
A3881.mat 16x1+24 1000.0(0)/mV 16 0 -90 -1179 0 V5
A3881.mat 16x1+24 1000.0(0)/mV 16 0 128 2149 0 V6
# Age: 73
# Sex: Female
# Dx: 164889003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown