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

File: <base>/training/ningbo/g29/JS38777.hea (771 bytes) 
JS38777 12 500 5000
JS38777.mat 16x1+24 1000.0(0)/mV 16 0 -63 2608 0 I
JS38777.mat 16x1+24 1000.0(0)/mV 16 0 -44 13928 0 II
JS38777.mat 16x1+24 1000.0(0)/mV 16 0 20 11378 0 III
JS38777.mat 16x1+24 1000.0(0)/mV 16 0 54 -2288 0 aVR
JS38777.mat 16x1+24 1000.0(0)/mV 16 0 -44 -10524 0 aVL
JS38777.mat 16x1+24 1000.0(0)/mV 16 0 -15 6487 0 aVF
JS38777.mat 16x1+24 1000.0(0)/mV 16 0 59 9556 0 V1
JS38777.mat 16x1+24 1000.0(0)/mV 16 0 20 20607 0 V2
JS38777.mat 16x1+24 1000.0(0)/mV 16 0 -59 23701 0 V3
JS38777.mat 16x1+24 1000.0(0)/mV 16 0 -98 6735 0 V4
JS38777.mat 16x1+24 1000.0(0)/mV 16 0 -112 11858 0 V5
JS38777.mat 16x1+24 1000.0(0)/mV 16 0 -34 -7832 0 V6
# Age: 77
# Sex: Male
# Dx: 429622005,59931005,164917005,426783006,55930002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown