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

File: <base>/training/ningbo/g3/JS12874.hea (813 bytes) 
JS12874 12 500 5000
JS12874.mat 16x1+24 1000.0(0)/mV 16 0 73 16627 0 I
JS12874.mat 16x1+24 1000.0(0)/mV 16 0 176 17035 0 II
JS12874.mat 16x1+24 1000.0(0)/mV 16 0 102 422 0 III
JS12874.mat 16x1+24 1000.0(0)/mV 16 0 -122 -10782 0 aVR
JS12874.mat 16x1+24 1000.0(0)/mV 16 0 -15 1958 0 aVL
JS12874.mat 16x1+24 1000.0(0)/mV 16 0 137 2526 0 aVF
JS12874.mat 16x1+24 1000.0(0)/mV 16 0 73 1568 0 V1
JS12874.mat 16x1+24 1000.0(0)/mV 16 0 644 -29234 0 V2
JS12874.mat 16x1+24 1000.0(0)/mV 16 0 303 20376 0 V3
JS12874.mat 16x1+24 1000.0(0)/mV 16 0 303 20408 0 V4
JS12874.mat 16x1+24 1000.0(0)/mV 16 0 127 24772 0 V5
JS12874.mat 16x1+24 1000.0(0)/mV 16 0 83 13148 0 V6
# Age: 76
# Sex: Male
# Dx: 284470004,164930006,251187003,164865005,429622005,164917005,426783006,55930002,251170000
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown