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

File: <base>/training/ptb-xl/g7/HR06548.hea (750 bytes) 
HR06548 12 500 5000
HR06548.mat 16x1+24 1000.0(0)/mv 16 0 -35 4980 0 I
HR06548.mat 16x1+24 1000.0(0)/mv 16 0 40 10289 0 II
HR06548.mat 16x1+24 1000.0(0)/mv 16 0 75 5311 0 III
HR06548.mat 16x1+24 1000.0(0)/mv 16 0 -3 -7840 0 aVR
HR06548.mat 16x1+24 1000.0(0)/mv 16 0 -55 -131 0 aVL
HR06548.mat 16x1+24 1000.0(0)/mv 16 0 57 7583 0 aVF
HR06548.mat 16x1+24 1000.0(0)/mv 16 0 20 3193 0 V1
HR06548.mat 16x1+24 1000.0(0)/mv 16 0 -110 3582 0 V2
HR06548.mat 16x1+24 1000.0(0)/mv 16 0 -55 4939 0 V3
HR06548.mat 16x1+24 1000.0(0)/mv 16 0 135 31804 0 V4
HR06548.mat 16x1+24 1000.0(0)/mv 16 0 15 -24459 0 V5
HR06548.mat 16x1+24 1000.0(0)/mv 16 0 -80 -4601 0 V6
# Age: NaN
# Sex: Female
# Dx: 426783006,713426002,89792004
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown