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

File: <base>/training/cpsc_2018/g5/A4681.hea (679 bytes) 
A4681 12 500 15134
A4681.mat 16x1+24 1000.0(0)/mV 16 0 -4 -2 0 I
A4681.mat 16x1+24 1000.0(0)/mV 16 0 -38 10 0 II
A4681.mat 16x1+24 1000.0(0)/mV 16 0 -35 117 0 III
A4681.mat 16x1+24 1000.0(0)/mV 16 0 21 5 0 aVR
A4681.mat 16x1+24 1000.0(0)/mV 16 0 16 29 0 aVL
A4681.mat 16x1+24 1000.0(0)/mV 16 0 -37 -65 0 aVF
A4681.mat 16x1+24 1000.0(0)/mV 16 0 20 -57 0 V1
A4681.mat 16x1+24 1000.0(0)/mV 16 0 -25 26 0 V2
A4681.mat 16x1+24 1000.0(0)/mV 16 0 -124 68 0 V3
A4681.mat 16x1+24 1000.0(0)/mV 16 0 -80 -2 0 V4
A4681.mat 16x1+24 1000.0(0)/mV 16 0 573 113 0 V5
A4681.mat 16x1+24 1000.0(0)/mV 16 0 579 8 0 V6
# Age: 85
# Sex: Female
# Dx: 284470004
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown