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

File: <base>/training/ptb-xl/g8/HR07121.hea (750 bytes) 
HR07121 12 500 5000
HR07121.mat 16x1+24 1000.0(0)/mv 16 0 -90 -25119 0 I
HR07121.mat 16x1+24 1000.0(0)/mv 16 0 -70 -11166 0 II
HR07121.mat 16x1+24 1000.0(0)/mv 16 0 20 13915 0 III
HR07121.mat 16x1+24 1000.0(0)/mv 16 0 80 18202 0 aVR
HR07121.mat 16x1+24 1000.0(0)/mv 16 0 -55 -19201 0 aVL
HR07121.mat 16x1+24 1000.0(0)/mv 16 0 -25 1544 0 aVF
HR07121.mat 16x1+24 1000.0(0)/mv 16 0 140 -13277 0 V1
HR07121.mat 16x1+24 1000.0(0)/mv 16 0 55 2592 0 V2
HR07121.mat 16x1+24 1000.0(0)/mv 16 0 245 18441 0 V3
HR07121.mat 16x1+24 1000.0(0)/mv 16 0 335 -29712 0 V4
HR07121.mat 16x1+24 1000.0(0)/mv 16 0 280 -2064 0 V5
HR07121.mat 16x1+24 1000.0(0)/mv 16 0 1060 13026 0 V6
# Age: 22
# Sex: Male
# Dx: 426783006,713426002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown