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

File: <base>/training/ptb-xl/g4/HR03254.hea (749 bytes) 
HR03254 12 500 5000
HR03254.mat 16x1+24 1000.0(0)/mv 16 0 -140 -4369 0 I
HR03254.mat 16x1+24 1000.0(0)/mv 16 0 -40 -684 0 II
HR03254.mat 16x1+24 1000.0(0)/mv 16 0 100 3649 0 III
HR03254.mat 16x1+24 1000.0(0)/mv 16 0 90 2271 0 aVR
HR03254.mat 16x1+24 1000.0(0)/mv 16 0 -120 -3406 0 aVL
HR03254.mat 16x1+24 1000.0(0)/mv 16 0 30 1802 0 aVF
HR03254.mat 16x1+24 1000.0(0)/mv 16 0 65 29475 0 V1
HR03254.mat 16x1+24 1000.0(0)/mv 16 0 5 22571 0 V2
HR03254.mat 16x1+24 1000.0(0)/mv 16 0 -15 25367 0 V3
HR03254.mat 16x1+24 1000.0(0)/mv 16 0 675 2450 0 V4
HR03254.mat 16x1+24 1000.0(0)/mv 16 0 690 6660 0 V5
HR03254.mat 16x1+24 1000.0(0)/mv 16 0 -730 248 0 V6
# Age: 45
# Sex: Male
# Dx: 164951009,426177001,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown