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

File: <base>/training/ptb-xl/g21/HR20412.hea (750 bytes) 
HR20412 12 500 5000
HR20412.mat 16x1+24 1000.0(0)/mv 16 0 -5 -14458 0 I
HR20412.mat 16x1+24 1000.0(0)/mv 16 0 -520 -474 0 II
HR20412.mat 16x1+24 1000.0(0)/mv 16 0 -515 13954 0 III
HR20412.mat 16x1+24 1000.0(0)/mv 16 0 263 -25671 0 aVR
HR20412.mat 16x1+24 1000.0(0)/mv 16 0 255 18626 0 aVL
HR20412.mat 16x1+24 1000.0(0)/mv 16 0 -517 6554 0 aVF
HR20412.mat 16x1+24 1000.0(0)/mv 16 0 310 896 0 V1
HR20412.mat 16x1+24 1000.0(0)/mv 16 0 215 -20897 0 V2
HR20412.mat 16x1+24 1000.0(0)/mv 16 0 185 -25142 0 V3
HR20412.mat 16x1+24 1000.0(0)/mv 16 0 225 -18062 0 V4
HR20412.mat 16x1+24 1000.0(0)/mv 16 0 240 -5370 0 V5
HR20412.mat 16x1+24 1000.0(0)/mv 16 0 275 782 0 V6
# Age: 54
# Sex: Male
# Dx: 425419005,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown