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

File: <base>/training/ptb-xl/g14/HR13921.hea (748 bytes) 
HR13921 12 500 5000
HR13921.mat 16x1+24 1000.0(0)/mv 16 0 10 -670 0 I
HR13921.mat 16x1+24 1000.0(0)/mv 16 0 85 -12585 0 II
HR13921.mat 16x1+24 1000.0(0)/mv 16 0 75 -11902 0 III
HR13921.mat 16x1+24 1000.0(0)/mv 16 0 -48 -26606 0 aVR
HR13921.mat 16x1+24 1000.0(0)/mv 16 0 -33 5573 0 aVL
HR13921.mat 16x1+24 1000.0(0)/mv 16 0 80 20372 0 aVF
HR13921.mat 16x1+24 1000.0(0)/mv 16 0 80 23468 0 V1
HR13921.mat 16x1+24 1000.0(0)/mv 16 0 115 19968 0 V2
HR13921.mat 16x1+24 1000.0(0)/mv 16 0 120 9945 0 V3
HR13921.mat 16x1+24 1000.0(0)/mv 16 0 65 4797 0 V4
HR13921.mat 16x1+24 1000.0(0)/mv 16 0 30 4335 0 V5
HR13921.mat 16x1+24 1000.0(0)/mv 16 0 35 13823 0 V6
# Age: 77
# Sex: Male
# Dx: 39732003,426783006,445118002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown