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

File: <base>/training/cpsc_2018/g2/A1781.hea (703 bytes) 
A1781 12 500 12000
A1781.mat 16x1+24 1000.0(0)/mV 16 0 -66 5355 0 I
A1781.mat 16x1+24 1000.0(0)/mV 16 0 -26 -4206 0 II
A1781.mat 16x1+24 1000.0(0)/mV 16 0 41 2439 0 III
A1781.mat 16x1+24 1000.0(0)/mV 16 0 46 4293 0 aVR
A1781.mat 16x1+24 1000.0(0)/mV 16 0 -53 2854 0 aVL
A1781.mat 16x1+24 1000.0(0)/mV 16 0 8 5253 0 aVF
A1781.mat 16x1+24 1000.0(0)/mV 16 0 15 -3885 0 V1
A1781.mat 16x1+24 1000.0(0)/mV 16 0 -104 1192 0 V2
A1781.mat 16x1+24 1000.0(0)/mV 16 0 -36 243 0 V3
A1781.mat 16x1+24 1000.0(0)/mV 16 0 -155 2802 0 V4
A1781.mat 16x1+24 1000.0(0)/mV 16 0 -26 1339 0 V5
A1781.mat 16x1+24 1000.0(0)/mV 16 0 -31 -4920 0 V6
# Age: 76
# Sex: Female
# Dx: 164889003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown