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

File: <base>/training/st_petersburg_incart/g1/I0048.hea (746 bytes) 
I0048 12 257 462600
I0048.mat 16x1+24 1000.0(0)/mv 16 0 -619 -16917 0 I
I0048.mat 16x1+24 1000.0(0)/mv 16 0 -1118 -21494 0 II
I0048.mat 16x1+24 1000.0(0)/mv 16 0 -289 -5446 0 III
I0048.mat 16x1+24 1000.0(0)/mv 16 0 379 13114 0 aVR
I0048.mat 16x1+24 1000.0(0)/mv 16 0 -329 507 0 aVL
I0048.mat 16x1+24 1000.0(0)/mv 16 0 -768 4693 0 aVF
I0048.mat 16x1+24 1000.0(0)/mv 16 0 1012 4329 0 V1
I0048.mat 16x1+24 1000.0(0)/mv 16 0 515 -583 0 V2
I0048.mat 16x1+24 1000.0(0)/mv 16 0 1378 -11239 0 V3
I0048.mat 16x1+24 1000.0(0)/mv 16 0 -480 9925 0 V4
I0048.mat 16x1+24 1000.0(0)/mv 16 0 -145 -30306 0 V5
I0048.mat 16x1+24 1000.0(0)/mv 16 0 1447 -7080 0 V6
# Age: 68
# Sex: Female
# Dx: 251182009,164865005,164884008
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown