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

File: <base>/training/ptb-xl/g22/HR21720.hea (768 bytes) 
HR21720 12 500 5000
HR21720.mat 16x1+24 1000.0(0)/mv 16 0 365 -248 0 I
HR21720.mat 16x1+24 1000.0(0)/mv 16 0 55 -12474 0 II
HR21720.mat 16x1+24 1000.0(0)/mv 16 0 -310 -12202 0 III
HR21720.mat 16x1+24 1000.0(0)/mv 16 0 -210 6251 0 aVR
HR21720.mat 16x1+24 1000.0(0)/mv 16 0 337 6321 0 aVL
HR21720.mat 16x1+24 1000.0(0)/mv 16 0 -127 -12058 0 aVF
HR21720.mat 16x1+24 1000.0(0)/mv 16 0 -840 -14104 0 V1
HR21720.mat 16x1+24 1000.0(0)/mv 16 0 -1500 29542 0 V2
HR21720.mat 16x1+24 1000.0(0)/mv 16 0 -290 32340 0 V3
HR21720.mat 16x1+24 1000.0(0)/mv 16 0 550 -20748 0 V4
HR21720.mat 16x1+24 1000.0(0)/mv 16 0 585 -23928 0 V5
HR21720.mat 16x1+24 1000.0(0)/mv 16 0 475 -14483 0 V6
# Age: 69
# Sex: Male
# Dx: 164865005,164951009,39732003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown