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

File: <base>/training/ptb-xl/g3/HR02974.hea (768 bytes) 
HR02974 12 500 5000
HR02974.mat 16x1+24 1000.0(0)/mv 16 0 -30 21577 0 I
HR02974.mat 16x1+24 1000.0(0)/mv 16 0 5 26128 0 II
HR02974.mat 16x1+24 1000.0(0)/mv 16 0 35 4531 0 III
HR02974.mat 16x1+24 1000.0(0)/mv 16 0 12 -23898 0 aVR
HR02974.mat 16x1+24 1000.0(0)/mv 16 0 -33 8776 0 aVL
HR02974.mat 16x1+24 1000.0(0)/mv 16 0 20 15438 0 aVF
HR02974.mat 16x1+24 1000.0(0)/mv 16 0 1990 -640 0 V1
HR02974.mat 16x1+24 1000.0(0)/mv 16 0 -1335 18123 0 V2
HR02974.mat 16x1+24 1000.0(0)/mv 16 0 2640 -25515 0 V3
HR02974.mat 16x1+24 1000.0(0)/mv 16 0 -130 -3945 0 V4
HR02974.mat 16x1+24 1000.0(0)/mv 16 0 -80 11584 0 V5
HR02974.mat 16x1+24 1000.0(0)/mv 16 0 -75 3266 0 V6
# Age: 71
# Sex: Female
# Dx: 164934002,426783006,428750005,59931005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown