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

File: <base>/training/cpsc_2018/g4/A3581.hea (700 bytes) 
A3581 12 500 16500
A3581.mat 16x1+24 1000.0(0)/mV 16 0 23 -7960 0 I
A3581.mat 16x1+24 1000.0(0)/mV 16 0 -48 139 0 II
A3581.mat 16x1+24 1000.0(0)/mV 16 0 -71 8099 0 III
A3581.mat 16x1+24 1000.0(0)/mV 16 0 12 1548 0 aVR
A3581.mat 16x1+24 1000.0(0)/mV 16 0 47 2997 0 aVL
A3581.mat 16x1+24 1000.0(0)/mV 16 0 -60 -3449 0 aVF
A3581.mat 16x1+24 1000.0(0)/mV 16 0 178 2139 0 V1
A3581.mat 16x1+24 1000.0(0)/mV 16 0 37 7804 0 V2
A3581.mat 16x1+24 1000.0(0)/mV 16 0 115 -3326 0 V3
A3581.mat 16x1+24 1000.0(0)/mV 16 0 46 -5224 0 V4
A3581.mat 16x1+24 1000.0(0)/mV 16 0 29 1816 0 V5
A3581.mat 16x1+24 1000.0(0)/mV 16 0 68 -180 0 V6
# Age: 67
# Sex: Female
# Dx: 284470004
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown