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

File: <base>/training/ptb-xl/g13/HR12903.hea (749 bytes) 
HR12903 12 500 5000
HR12903.mat 16x1+24 1000.0(0)/mv 16 0 50 -10862 0 I
HR12903.mat 16x1+24 1000.0(0)/mv 16 0 -15 -3904 0 II
HR12903.mat 16x1+24 1000.0(0)/mv 16 0 -65 6949 0 III
HR12903.mat 16x1+24 1000.0(0)/mv 16 0 -17 7008 0 aVR
HR12903.mat 16x1+24 1000.0(0)/mv 16 0 58 -8954 0 aVL
HR12903.mat 16x1+24 1000.0(0)/mv 16 0 -40 1257 0 aVF
HR12903.mat 16x1+24 1000.0(0)/mv 16 0 30 8124 0 V1
HR12903.mat 16x1+24 1000.0(0)/mv 16 0 10 15591 0 V2
HR12903.mat 16x1+24 1000.0(0)/mv 16 0 0 7455 0 V3
HR12903.mat 16x1+24 1000.0(0)/mv 16 0 45 -32408 0 V4
HR12903.mat 16x1+24 1000.0(0)/mv 16 0 85 20985 0 V5
HR12903.mat 16x1+24 1000.0(0)/mv 16 0 -5 -15781 0 V6
# Age: 81
# Sex: Female
# Dx: 164861001,426783006,59931005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown