@Inigo_Tolosa These are the built in streams. You could update your chart to look for these if the custom ones are not present:
{ id: 'respiration', text: 'Respiration' },
{ id: 'tidal_volume', text: 'VT (ml/br)' },
{ id: 'tidal_volume_min', text: 'VE (L/min)' },