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

File: <base>/training/ptb-xl/g15/HR14904.hea (762 bytes) 
HR14904 12 500 5000
HR14904.mat 16x1+24 1000.0(0)/mv 16 0 20 12825 0 I
HR14904.mat 16x1+24 1000.0(0)/mv 16 0 60 -67 0 II
HR14904.mat 16x1+24 1000.0(0)/mv 16 0 40 -12942 0 III
HR14904.mat 16x1+24 1000.0(0)/mv 16 0 -40 -6864 0 aVR
HR14904.mat 16x1+24 1000.0(0)/mv 16 0 -10 12996 0 aVL
HR14904.mat 16x1+24 1000.0(0)/mv 16 0 50 -6711 0 aVF
HR14904.mat 16x1+24 1000.0(0)/mv 16 0 -10 -14574 0 V1
HR14904.mat 16x1+24 1000.0(0)/mv 16 0 75 -3040 0 V2
HR14904.mat 16x1+24 1000.0(0)/mv 16 0 0 -4740 0 V3
HR14904.mat 16x1+24 1000.0(0)/mv 16 0 35 32723 0 V4
HR14904.mat 16x1+24 1000.0(0)/mv 16 0 50 5693 0 V5
HR14904.mat 16x1+24 1000.0(0)/mv 16 0 -15 -16911 0 V6
# Age: 87
# Sex: Female
# Dx: 164934002,164947007,270492004,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown