Physical examination

Concomitant diseases

Asbestosis may coexist with alternative asbestos-connected diseases, including calcified and noncalcified pleural plaques, pleural thickening, benign exudative pleural effusion, rounded atelectasis, and malignant mesothelioma of the pleura.

Airway obstruction

Ameille et al found no causal relationship between airway obstruction and asbestos exposure. Their study evaluated lung operate in persons with previous occupational exposure to asbestos. No important correlation was shown between pulmonary perform parameters and cumulative asbestos exposure.

Asbestosis-related mortality

Study of mortality trends in the United States has shown that, while deaths from alternative pneumoconioses are declining, deaths from asbestosis are increasing. Further, the death rate isn’t expected to decrease for many years.

Physical examination

Rales are the most important finding throughout examination. Persistent and dry, they’re described as fine cellophane rales or coarse Velcro rales. The rales are best auscultated at the bases of the lungs posteriorly and within the lower lateral areas.

Initially, physicians hear rales in the end-inspiratory phase. In advanced disease, however, rales could be heard throughout the complete inspiratory part. Occasionally, the presence of rales precedes radiographic finding abnormalities and pulmonary perform check abnormalities. Rales are not to be expected in all patients; one third of them may not have this symptom.

This finding is not necessarily related to the severity of disease.

Reduced chest growth in advanced disease correlates with restrictive ventilatory impairment and reduced important capacity. In advanced disease, patients could show the subsequent signs related to cor pulmonale: cyanosis, jugular venous distention, hepatojugular reflux, and pedal edema.

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