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

File: <base>/training/ptb-xl/g13/HR12954.hea (736 bytes) 
HR12954 12 500 5000
HR12954.mat 16x1+24 1000.0(0)/mv 16 0 5 -1073 0 I
HR12954.mat 16x1+24 1000.0(0)/mv 16 0 -105 8003 0 II
HR12954.mat 16x1+24 1000.0(0)/mv 16 0 -110 9080 0 III
HR12954.mat 16x1+24 1000.0(0)/mv 16 0 50 -3610 0 aVR
HR12954.mat 16x1+24 1000.0(0)/mv 16 0 58 28155 0 aVL
HR12954.mat 16x1+24 1000.0(0)/mv 16 0 -107 -23949 0 aVF
HR12954.mat 16x1+24 1000.0(0)/mv 16 0 85 5023 0 V1
HR12954.mat 16x1+24 1000.0(0)/mv 16 0 -75 -7185 0 V2
HR12954.mat 16x1+24 1000.0(0)/mv 16 0 45 21972 0 V3
HR12954.mat 16x1+24 1000.0(0)/mv 16 0 5 16100 0 V4
HR12954.mat 16x1+24 1000.0(0)/mv 16 0 -175 30750 0 V5
HR12954.mat 16x1+24 1000.0(0)/mv 16 0 -35 -17334 0 V6
# Age: 72
# Sex: Female
# Dx: 426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown