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

File: <base>/training/ptb-xl/g22/HR21757.hea (770 bytes) 
HR21757 12 500 5000
HR21757.mat 16x1+24 1000.0(0)/mv 16 0 0 -23535 0 I
HR21757.mat 16x1+24 1000.0(0)/mv 16 0 -30 -29301 0 II
HR21757.mat 16x1+24 1000.0(0)/mv 16 0 -30 -5793 0 III
HR21757.mat 16x1+24 1000.0(0)/mv 16 0 15 26196 0 aVR
HR21757.mat 16x1+24 1000.0(0)/mv 16 0 15 -8669 0 aVL
HR21757.mat 16x1+24 1000.0(0)/mv 16 0 -30 -17482 0 aVF
HR21757.mat 16x1+24 1000.0(0)/mv 16 0 25 16105 0 V1
HR21757.mat 16x1+24 1000.0(0)/mv 16 0 70 8350 0 V2
HR21757.mat 16x1+24 1000.0(0)/mv 16 0 95 10388 0 V3
HR21757.mat 16x1+24 1000.0(0)/mv 16 0 90 607 0 V4
HR21757.mat 16x1+24 1000.0(0)/mv 16 0 75 -22017 0 V5
HR21757.mat 16x1+24 1000.0(0)/mv 16 0 25 -20874 0 V6
# Age: 73
# Sex: Male
# Dx: 164861001,164873001,164889003,164951009,39732003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown