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The Lake Louise Consensus Definition for high-altitude pulmonary edema has set widely used criteria for defining HAPE symptoms. [7] In the presence of a recent gain in altitude, the presence of the following: Symptoms: at least two of: Shortness of breath at rest; Cough; Weakness or decreased exercise performance; Chest tightness or congestion
Alveolar lung disease may be divided into acute or chronic. Causes of acute alveolar lung disease include pulmonary edema (cardiogenic or neurogenic), pneumonia (bacterial or viral), systemic lupus erythematosus, [2] bleeding in the lungs (e.g., Goodpasture syndrome), [3] idiopathic pulmonary hemosiderosis, [4] and granulomatosis with polyangiitis.
Pulmonary infiltrates that resolved after giving mechanical ventilation should point to heart failure and atelectasis rather than pneumonia. For recurrent pneumonia, underlying lung cancer, metastasis , tuberculosis, a foreign bodies, immunosuppression, and hypersensitivity should be suspected.
In pulmonary consolidations and infiltrates, air bronchograms are most commonly caused by pneumonia or pulmonary edema (especially with alveolar edema). [2] [3] Other potential causes of consolidations or infiltrates with air bronchograms are: [2] Pulmonary edema; Non-obstructive atelectasis; Severe interstitial lung disease; Pulmonary infarct
Nodular density is used to distinguish larger lung tumors, smaller infiltrates or masses with other accompanying characteristics. An often used formal radiological definition is the following: a single lesion in the lung completely surrounded by functional lung tissue with a diameter less than 3 cm and without associated pneumonia , atelectasis ...
A pulmonary infiltrate is a substance denser than air, such as pus, blood, or protein, which lingers within the parenchyma of the lungs. [1] Pulmonary infiltrates are associated with pneumonia, tuberculosis, [citation needed] and sarcoidosis. [2] Pulmonary infiltrates can be observed on a chest radiograph. [citation needed]
In 1994, a new definition was recommended by the American-European Consensus Conference Committee [6] [10] which recognized the variability in severity of pulmonary injury. [51] The definition required the following criteria to be met: acute onset, persistent dyspnea; bilateral infiltrates on chest radiograph consistent with pulmonary edema
A pulmonary consolidation is a region of normally compressible lung tissue that has filled with liquid instead of air. [1] The condition is marked by induration [2] (swelling or hardening of normally soft tissue) of a normally aerated lung.