What does infiltrates mean on a chest X-ray?
A pulmonary infiltrate is a substance denser than air, such as pus, blood, or protein, which lingers within the parenchyma of the lungs. Pulmonary infiltrates are associated with pneumonia, and tuberculosis. Pulmonary infiltrates can be observed on a chest radiograph.
What does infiltrate of lung mean?
From a pathophysiological perspective, the term “infiltrate” refers to “an abnormal substance that accumulates gradually within cells or body tissues” or “any substance or type of cell that occurs within or spreads as through the interstices (interstitium and/or alveoli) of the lung, that is foreign to the lung, or …
What are Perihilar opacities?
Parahilar peribronchial opacities are sometimes seen and are the result of peribronchial inflammation and edema associated with bronchitis (Table 50.3) (Fig. 50.6A). The pattern consists of bilateral, ill-defined, hazy soft tissue opacity in the hilar region of the lungs.
What is the Perihilar region of the lung?
hilum of the lung
The hilum of the lung is the wedge-shaped area on the central portion of each lung, located on the medial (middle) aspect of each lung. The hilar region is where the bronchi, arteries, veins, and nerves enter and exit the lungs.
How do you treat lung infiltrates?
Studies estimate that for ICU patients with pulmonary infiltrates 70%-80% do not have pneumonia, but currently most will receive combination broad spectrum empiric antibiotic therapy with duration from 5-14 days. Receipt of unnecessary antibiotics in patients without confirmed pneumonia is linked to higher mortality.
What are Perihilar markings?
Perihilar Markings The perihilar streaking seen with retained lung fluid is generally symmetrical and is due to engorgement of the pulmonary vessels and lymphatics (Figures 2B-1 and 2B-2). White or more opaque lines are seen radiating out from the hilar region.