History and physical exam-interstitial lung disease

• Occupational, exposures (eg, birds), tobacco, meds, XRT, FHx, precipitating event

• Tempo (acute → infxn, CHF, hypersens pneumonitis, eos PNA, AIP, COP, drug-induced)

• Extrapulm signs/sx (skin Δs, arthralgias, arthritis, myalgias, sicca sx, alopecia, Raynaud’s)

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