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

File: <base>/training/ptb-xl/g4/HR03978.hea (750 bytes) 
HR03978 12 500 5000
HR03978.mat 16x1+24 1000.0(0)/mv 16 0 130 -15465 0 I
HR03978.mat 16x1+24 1000.0(0)/mv 16 0 175 18251 0 II
HR03978.mat 16x1+24 1000.0(0)/mv 16 0 45 -31804 0 III
HR03978.mat 16x1+24 1000.0(0)/mv 16 0 -153 -1972 0 aVR
HR03978.mat 16x1+24 1000.0(0)/mv 16 0 42 -24589 0 aVL
HR03978.mat 16x1+24 1000.0(0)/mv 16 0 110 25758 0 aVF
HR03978.mat 16x1+24 1000.0(0)/mv 16 0 -75 -7902 0 V1
HR03978.mat 16x1+24 1000.0(0)/mv 16 0 -35 -8760 0 V2
HR03978.mat 16x1+24 1000.0(0)/mv 16 0 -90 14187 0 V3
HR03978.mat 16x1+24 1000.0(0)/mv 16 0 105 8492 0 V4
HR03978.mat 16x1+24 1000.0(0)/mv 16 0 15 3138 0 V5
HR03978.mat 16x1+24 1000.0(0)/mv 16 0 -440 -11770 0 V6
# Age: 70
# Sex: Male
# Dx: 164865005,427084000
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown