Because many causes can be behind a lung fibrosis, your doctor must have an accurate knowledge of your medical history. Of particular interest is:
Only the later symptoms would direct the concrete suspicion towards pulmonary fibrosis. For a more precise diagnosis further investigations are necessary. By listening with the stethoscope (auscultation), the doctor hears certain rattling noises when breathing in the case of pulmonary fibrosis. Medical professionals call this phenomenon crackling rattles. If the disease is already advanced, increased respiratory frequency also indicates pulmonary fibrosis.