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

File: <base>/training/ptb/g1/S0343.hea (700 bytes) 
S0343 12 1000 38400
S0343.mat 16x1+24 1000.0(0)/mv 16 0 19 -6429 0 I
S0343.mat 16x1+24 1000.0(0)/mv 16 0 -355 -4932 0 II
S0343.mat 16x1+24 1000.0(0)/mv 16 0 -373 4932 0 III
S0343.mat 16x1+24 1000.0(0)/mv 16 0 168 -5524 0 aVR
S0343.mat 16x1+24 1000.0(0)/mv 16 0 196 -594 0 aVL
S0343.mat 16x1+24 1000.0(0)/mv 16 0 -364 1730 0 aVF
S0343.mat 16x1+24 1000.0(0)/mv 16 0 -43 -6867 0 V1
S0343.mat 16x1+24 1000.0(0)/mv 16 0 173 1558 0 V2
S0343.mat 16x1+24 1000.0(0)/mv 16 0 129 12827 0 V3
S0343.mat 16x1+24 1000.0(0)/mv 16 0 -259 8194 0 V4
S0343.mat 16x1+24 1000.0(0)/mv 16 0 -385 7342 0 V5
S0343.mat 16x1+24 1000.0(0)/mv 16 0 -501 -4426 0 V6
# Age: 63
# Sex: Male
# Dx: 164865005
# Rx: Unknown
# Hx: Unknown