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

File: <base>/training/cpsc_2018_extra/g1/Q0454.hea (691 bytes) 
Q0454 12 500 5000
Q0454.mat 16x1+24 1000.0(0)/mV 16 0 307 -19 0 I
Q0454.mat 16x1+24 1000.0(0)/mV 16 0 692 34 0 II
Q0454.mat 16x1+24 1000.0(0)/mV 16 0 385 52 0 III
Q0454.mat 16x1+24 1000.0(0)/mV 16 0 -499 -3 0 aVR
Q0454.mat 16x1+24 1000.0(0)/mV 16 0 -39 -4 0 aVL
Q0454.mat 16x1+24 1000.0(0)/mV 16 0 539 55 0 aVF
Q0454.mat 16x1+24 1000.0(0)/mV 16 0 87 28 0 V1
Q0454.mat 16x1+24 1000.0(0)/mV 16 0 592 -13 0 V2
Q0454.mat 16x1+24 1000.0(0)/mV 16 0 764 34 0 V3
Q0454.mat 16x1+24 1000.0(0)/mV 16 0 782 27 0 V4
Q0454.mat 16x1+24 1000.0(0)/mV 16 0 699 25 0 V5
Q0454.mat 16x1+24 1000.0(0)/mV 16 0 592 28 0 V6
# Age: 32
# Sex: Female
# Dx: 164930006,427084000
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown