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

File: <base>/training/ptb-xl/g21/HR20953.hea (757 bytes) 
HR20953 12 500 5000
HR20953.mat 16x1+24 1000.0(0)/mv 16 0 -30 -6392 0 I
HR20953.mat 16x1+24 1000.0(0)/mv 16 0 -10 -12008 0 II
HR20953.mat 16x1+24 1000.0(0)/mv 16 0 20 -5608 0 III
HR20953.mat 16x1+24 1000.0(0)/mv 16 0 20 9641 0 aVR
HR20953.mat 16x1+24 1000.0(0)/mv 16 0 -25 92 0 aVL
HR20953.mat 16x1+24 1000.0(0)/mv 16 0 5 -8295 0 aVF
HR20953.mat 16x1+24 1000.0(0)/mv 16 0 90 -8530 0 V1
HR20953.mat 16x1+24 1000.0(0)/mv 16 0 45 2603 0 V2
HR20953.mat 16x1+24 1000.0(0)/mv 16 0 30 6075 0 V3
HR20953.mat 16x1+24 1000.0(0)/mv 16 0 -5 4335 0 V4
HR20953.mat 16x1+24 1000.0(0)/mv 16 0 -30 -3530 0 V5
HR20953.mat 16x1+24 1000.0(0)/mv 16 0 -30 -8500 0 V6
# Age: 82
# Sex: Female
# Dx: 164861001,164865005,164873001,164889003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown