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Pneumocystis pneumonia (PCP), also known as Pneumocystis jirovecii pneumonia (PJP), is a form of pneumonia that is caused by the yeast-like fungus Pneumocystis jirovecii. [ 3 ] [ 4 ] Pneumocystis specimens are commonly found in the lungs of healthy people although it is usually not a cause for disease. [ 5 ]
Although both the symptoms and imaging findings are stereotypical and well-described, they are non-specific and indistinguishable from many other conditions. For example, chest x-ray may show alveolar opacities, and a CT may show a crazy paving lung pattern , both of which are seen more commonly in numerous other conditions. [ 12 ]
Analysis of COVID-19 CT imaging along with postmortem lung biopsies and autopsies suggest that the majority of patients with COVID-19 pulmonary involvement also have secondary organizing pneumonia (OP) or its histological variant, acute fibrinous and organizing pneumonia, which are both well-known complications of viral infections.
Some patient portal applications enable patients to register and complete forms online, which can streamline visits to clinics and hospitals. Many portal applications also enable patients to request prescription refills online, order eyeglasses and contact lenses , access medical records , pay bills, review lab results, and schedule medical ...
Bat wing appearance is a radiologic sign referring to bilateral perihilar lung shadowing seen in frontal chest X-ray and in chest CT. [1] [2] The most common reason for bat wing appearance is the accumulation of oedema fluid in the lungs. [3]
A chest radiograph of a patient with IPF. Note the small lung fields and peripheral pattern of reticulonodular opacification. The radiological evaluation through HRCT is an essential point in the diagnostic pathway in IPF. HRCT is performed using a conventional computed axial tomographic scanner without injection of contrast agents. Evaluation ...
bilateral opacities on chest imaging (chest radiograph or CT) not explained by other lung pathology (e.g. effusion, lobar/lung collapse, or nodules) respiratory failure not explained by heart failure or volume overload; decreased Pa O 2 /Fi O 2 ratio (a decreased Pa O 2 /Fi O 2 ratio indicates reduced arterial oxygenation from the available ...
Center for Disease Control. 30 March 2022. "Black Lung Benefits Act". U.S. Department of Labor. Archived from the original on 2010-05-27; Coal Workers' Pneumoconiosis at The Merck Manual of Diagnosis and Therapy Professional Edition; Black Lung — United Mine Workers of America "Black Lung" (PDF). U.S. Department of Labor Mine Safety and ...