XXIX.n
XXIX - Small airway involvement
Reactive airway dysfunction syndrome (RADS)
Last update 17/06/2026
(Fr: Sd de dysfonction des voies aériennes)
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X.b
X. Pulmonary edema
X.b Pulmonary edema, noncardiogenic (NCPE)
XVI.e
XVI. Hemorrhage - Bleeding - Hematoma(s)
XVI.e Alveolar hemorrhage (AH), diffuse AH (DAH)
XXII.b
XXII. Acute respiratory/cardiorespiratory failure
XXII.b Acute lung injury - ARDS
XXIV.k
XXIV. Interstitial lung disease - Pulmonary infiltrates - Pulmonary fibrosis
XXIV.k Pulmonary infiltrates
XXIV.ag
XXIV. Interstitial lung disease - Pulmonary infiltrates - Pulmonary fibrosis
XXIV.ag Chemical (toxic) pneumonitis
XXVIII.b
XXVIII. Large airway involvement
XXVIII.b Epiglottitis
XXVIII.c
XXVIII. Large airway involvement
XXVIII.c Tracheal injury
XXIX.l
XXIX. Small airway involvement
XXIX.l Bronchiolitis (a clinical-imaging pattern suggestive of)
XXIX.m
XXIX. Small airway involvement
XXIX.m Obstructive airway dysfunction (see also IVc, XVx)
XXIX.n
XXIX. Small airway involvement
XXIX.n Reactive airway dysfunction syndrome (RADS)
XXX.k
XXX. Imaging features
XXX.k Imaging: Centrilobular micronodules (can be diffuse)
XXX.n
XXX. Imaging features
XXX.n Imaging: A 'tree-in-bud' pattern
XXXIII.j
XXXIII. Histopathology (for pulmonary pathology see in ‘Pneumotox’ (a free companion App)
XXXIII.j Path: Pulmonary edema
XXXVI.r
XXXVI. Autoimmune syndromes - Systemic reactions or conditions
XXXVI.r Anti-GBM-related pneumorenal syndrome and DAH (Goodpasture) or flare of