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

File: <base>/training/ptb-xl/g21/HR20721.hea (757 bytes) 
HR20721 12 500 5000
HR20721.mat 16x1+24 1000.0(0)/mv 16 0 145 -20903 0 I
HR20721.mat 16x1+24 1000.0(0)/mv 16 0 65 -21032 0 II
HR20721.mat 16x1+24 1000.0(0)/mv 16 0 -80 -162 0 III
HR20721.mat 16x1+24 1000.0(0)/mv 16 0 -105 21317 0 aVR
HR20721.mat 16x1+24 1000.0(0)/mv 16 0 112 -9782 0 aVL
HR20721.mat 16x1+24 1000.0(0)/mv 16 0 -7 -10124 0 aVF
HR20721.mat 16x1+24 1000.0(0)/mv 16 0 70 1452 0 V1
HR20721.mat 16x1+24 1000.0(0)/mv 16 0 320 3775 0 V2
HR20721.mat 16x1+24 1000.0(0)/mv 16 0 480 -6372 0 V3
HR20721.mat 16x1+24 1000.0(0)/mv 16 0 370 -7098 0 V4
HR20721.mat 16x1+24 1000.0(0)/mv 16 0 160 -11045 0 V5
HR20721.mat 16x1+24 1000.0(0)/mv 16 0 45 -8765 0 V6
# Age: 59
# Sex: Male
# Dx: 164861001,164873001,164889003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown