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

File: <base>/training/cpsc_2018/g1/A0520.hea (702 bytes) 
A0520 12 500 15000
A0520.mat 16x1+24 1000.0(0)/mV 16 0 -16 2733 0 I
A0520.mat 16x1+24 1000.0(0)/mV 16 0 32 -6210 0 II
A0520.mat 16x1+24 1000.0(0)/mV 16 0 49 6057 0 III
A0520.mat 16x1+24 1000.0(0)/mV 16 0 -8 1808 0 aVR
A0520.mat 16x1+24 1000.0(0)/mV 16 0 -33 -7370 0 aVL
A0520.mat 16x1+24 1000.0(0)/mV 16 0 41 6079 0 aVF
A0520.mat 16x1+24 1000.0(0)/mV 16 0 -23 5965 0 V1
A0520.mat 16x1+24 1000.0(0)/mV 16 0 -53 2347 0 V2
A0520.mat 16x1+24 1000.0(0)/mV 16 0 -47 -2861 0 V3
A0520.mat 16x1+24 1000.0(0)/mV 16 0 -42 1657 0 V4
A0520.mat 16x1+24 1000.0(0)/mV 16 0 -36 5188 0 V5
A0520.mat 16x1+24 1000.0(0)/mV 16 0 -15 -1590 0 V6
# Age: 54
# Sex: Male
# Dx: 426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown