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

File: <base>/training/cpsc_2018/g5/A4122.hea (707 bytes) 
A4122 12 500 5000
A4122.mat 16x1+24 1000.0(0)/mV 16 0 -326 -1990 0 I
A4122.mat 16x1+24 1000.0(0)/mV 16 0 61 -737 0 II
A4122.mat 16x1+24 1000.0(0)/mV 16 0 387 1253 0 III
A4122.mat 16x1+24 1000.0(0)/mV 16 0 132 914 0 aVR
A4122.mat 16x1+24 1000.0(0)/mV 16 0 -356 1497 0 aVL
A4122.mat 16x1+24 1000.0(0)/mV 16 0 224 2052 0 aVF
A4122.mat 16x1+24 1000.0(0)/mV 16 0 625 -840 0 V1
A4122.mat 16x1+24 1000.0(0)/mV 16 0 260 -77 0 V2
A4122.mat 16x1+24 1000.0(0)/mV 16 0 345 338 0 V3
A4122.mat 16x1+24 1000.0(0)/mV 16 0 -159 -2484 0 V4
A4122.mat 16x1+24 1000.0(0)/mV 16 0 -269 -2311 0 V5
A4122.mat 16x1+24 1000.0(0)/mV 16 0 -200 -800 0 V6
# Age: 77
# Sex: Female
# Dx: 164909002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown