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Radiologic studies may be done to image the chest wall, lungs, and airway to evaluate and diagnose conditions that may be contributing to aspiration, and also to diagnose complications of previous aspiration. Chest X-rays can be useful in the diagnosis of aspiration pneumonia but may be negative early in the course. [12]
Complications are not common but include infection, lung abscess, and bronchopleural fistula (a fistula between the pleural space and the bronchial tree). [4] A bronchopleural fistula results when there is a communication between the laceration, a bronchiole, and the pleura; it can cause air to leak into the pleural space despite the placement of a chest tube. [4]
For most infections, the immune response of the body is enough to control and apprehend the infection within a couple days, but if the tissue and the cells can't fight off the infection, the creation of pus will begin to form in the lungs which then hardens into lung abscess or suppurative pneumonitis. [6]
Pulmonary laceration, in which lung tissue is torn or cut, differs from pulmonary contusion in that the former involves disruption of the macroscopic architecture of the lung, [1] while the latter does not. [2] When lacerations fill with blood, the result is pulmonary hematoma, a collection of blood within the lung tissue. [3]
Subsequently, the word was used in Frank Scully's puzzle book Bedside Manna, after which time, members of the N.P.L. campaigned to include the word in major dictionaries. [ 9 ] [ 10 ] This 45-letter word, referred to as "p45", [ 11 ] first appeared in the 1939 supplement to the Merriam-Webster New International Dictionary, Second Edition .
Depending on the type and amount of irritant gas inhaled, victims can experience symptoms ranging from minor respiratory discomfort to acute airway and lung injury and even death. A common response cascade to a variety of irritant gases includes inflammation , edema and epithelial sloughing , which if left untreated can result in scar formation ...
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Chronic inflammation of the lungs is a key feature in aspiration pneumonia in elderly nursing home residents and presents as a sporadic fever (one day per week for several months). Radiological review shows chronic inflammation in the consolidated lung tissue, linking chronic micro-aspiration and chronic lung inflammation.