pulmonary infarction has dense wedge shaped consolidation on CT


Pulmonary emboli: Approximately 10% of patients with PE have occlusion of a peripheral pulmonary artery by thrombus, causing pulmonary infarction. These small peripheral thrombi are more likely to cause pleuritic chest pain and hemoptysis, due to inflammation and irritation of the lung parenchyma and adjacent visceral and parietal pleura. CT shows wedge shaped lungs and pleural effusion: