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

File: <base>/training/ptb-xl/g22/HR21741.hea (769 bytes) 
HR21741 12 500 5000
HR21741.mat 16x1+24 1000.0(0)/mv 16 0 45 -25870 0 I
HR21741.mat 16x1+24 1000.0(0)/mv 16 0 -10 -14545 0 II
HR21741.mat 16x1+24 1000.0(0)/mv 16 0 -55 11315 0 III
HR21741.mat 16x1+24 1000.0(0)/mv 16 0 -17 20103 0 aVR
HR21741.mat 16x1+24 1000.0(0)/mv 16 0 50 15236 0 aVL
HR21741.mat 16x1+24 1000.0(0)/mv 16 0 -32 32052 0 aVF
HR21741.mat 16x1+24 1000.0(0)/mv 16 0 -245 -9646 0 V1
HR21741.mat 16x1+24 1000.0(0)/mv 16 0 30 26262 0 V2
HR21741.mat 16x1+24 1000.0(0)/mv 16 0 90 28586 0 V3
HR21741.mat 16x1+24 1000.0(0)/mv 16 0 215 29536 0 V4
HR21741.mat 16x1+24 1000.0(0)/mv 16 0 180 -19643 0 V5
HR21741.mat 16x1+24 1000.0(0)/mv 16 0 155 -18245 0 V6
# Age: 67
# Sex: Male
# Dx: 164889003,445211001,47665007,713427006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown