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

File: <base>/training/ptb-xl/g13/HR12921.hea (746 bytes) 
HR12921 12 500 5000
HR12921.mat 16x1+24 1000.0(0)/mv 16 0 10 7214 0 I
HR12921.mat 16x1+24 1000.0(0)/mv 16 0 -15 -29114 0 II
HR12921.mat 16x1+24 1000.0(0)/mv 16 0 -25 29191 0 III
HR12921.mat 16x1+24 1000.0(0)/mv 16 0 3 -21277 0 aVR
HR12921.mat 16x1+24 1000.0(0)/mv 16 0 18 -10545 0 aVL
HR12921.mat 16x1+24 1000.0(0)/mv 16 0 -20 -32190 0 aVF
HR12921.mat 16x1+24 1000.0(0)/mv 16 0 135 -27273 0 V1
HR12921.mat 16x1+24 1000.0(0)/mv 16 0 230 23113 0 V2
HR12921.mat 16x1+24 1000.0(0)/mv 16 0 145 -18869 0 V3
HR12921.mat 16x1+24 1000.0(0)/mv 16 0 25 -10866 0 V4
HR12921.mat 16x1+24 1000.0(0)/mv 16 0 25 9306 0 V5
HR12921.mat 16x1+24 1000.0(0)/mv 16 0 10 9918 0 V6
# Age: 65
# Sex: Male
# Dx: 164909002,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown