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

File: <base>/training/cpsc_2018/g1/A0553.hea (696 bytes) 
A0553 12 500 12500
A0553.mat 16x1+24 1000.0(0)/mV 16 0 43 780 0 I
A0553.mat 16x1+24 1000.0(0)/mV 16 0 41 -462 0 II
A0553.mat 16x1+24 1000.0(0)/mV 16 0 -2 -1242 0 III
A0553.mat 16x1+24 1000.0(0)/mV 16 0 -42 -363 0 aVR
A0553.mat 16x1+24 1000.0(0)/mV 16 0 23 3344 0 aVL
A0553.mat 16x1+24 1000.0(0)/mV 16 0 19 -3604 0 aVF
A0553.mat 16x1+24 1000.0(0)/mV 16 0 41 936 0 V1
A0553.mat 16x1+24 1000.0(0)/mV 16 0 28 1397 0 V2
A0553.mat 16x1+24 1000.0(0)/mV 16 0 -71 2252 0 V3
A0553.mat 16x1+24 1000.0(0)/mV 16 0 -81 5326 0 V4
A0553.mat 16x1+24 1000.0(0)/mV 16 0 -73 342 0 V5
A0553.mat 16x1+24 1000.0(0)/mV 16 0 -98 1328 0 V6
# Age: 27
# Sex: Female
# Dx: 429622005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown