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

File: <base>/training/ptb/g1/S0272.hea (720 bytes) 
S0272 12 1000 115200
S0272.mat 16x1+24 1000.0(0)/mv 16 0 -2098 -24180 0 I
S0272.mat 16x1+24 1000.0(0)/mv 16 0 -2638 22778 0 II
S0272.mat 16x1+24 1000.0(0)/mv 16 0 -540 228 0 III
S0272.mat 16x1+24 1000.0(0)/mv 16 0 2368 -32475 0 aVR
S0272.mat 16x1+24 1000.0(0)/mv 16 0 -779 -10958 0 aVL
S0272.mat 16x1+24 1000.0(0)/mv 16 0 -1589 7074 0 aVF
S0272.mat 16x1+24 1000.0(0)/mv 16 0 -744 -13665 0 V1
S0272.mat 16x1+24 1000.0(0)/mv 16 0 -310 22839 0 V2
S0272.mat 16x1+24 1000.0(0)/mv 16 0 -816 -17899 0 V3
S0272.mat 16x1+24 1000.0(0)/mv 16 0 -865 14814 0 V4
S0272.mat 16x1+24 1000.0(0)/mv 16 0 -892 6912 0 V5
S0272.mat 16x1+24 1000.0(0)/mv 16 0 -1258 1032 0 V6
# Age: 78
# Sex: Female
# Dx: 164865005
# Rx: Unknown
# Hx: Unknown