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

File: <base>/training/ptb-xl/g22/HR21721.hea (751 bytes) 
HR21721 12 500 5000
HR21721.mat 16x1+24 1000.0(0)/mv 16 0 -170 21250 0 I
HR21721.mat 16x1+24 1000.0(0)/mv 16 0 95 -29289 0 II
HR21721.mat 16x1+24 1000.0(0)/mv 16 0 265 15063 0 III
HR21721.mat 16x1+24 1000.0(0)/mv 16 0 37 -28903 0 aVR
HR21721.mat 16x1+24 1000.0(0)/mv 16 0 -218 -29188 0 aVL
HR21721.mat 16x1+24 1000.0(0)/mv 16 0 180 -6837 0 aVF
HR21721.mat 16x1+24 1000.0(0)/mv 16 0 355 -8729 0 V1
HR21721.mat 16x1+24 1000.0(0)/mv 16 0 455 -12356 0 V2
HR21721.mat 16x1+24 1000.0(0)/mv 16 0 360 -1623 0 V3
HR21721.mat 16x1+24 1000.0(0)/mv 16 0 355 4339 0 V4
HR21721.mat 16x1+24 1000.0(0)/mv 16 0 195 -1783 0 V5
HR21721.mat 16x1+24 1000.0(0)/mv 16 0 65 376 0 V6
# Age: 39
# Sex: Female
# Dx: 164884008,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown