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9.3 Pulmonary arterial hypertension and acute and chronic thromboembolism
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Published:July 2018
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Abstract
Pulmonary arterial hypertension (PAH) and acute and chronic pulmonary embolism represent severe cardiovascular diseases with a high mortality if left undiagnosed and untreated. Computed tomography of the chest plays a pivotal role in the diagnosis of all three disorders. In acute pulmonary embolism, computed tomography pulmonary angiography has become the gold-standard imaging modality due to its high diagnostic accuracy, cost-effectiveness, 24-hour availability at most institutions, as well as the ability to diagnose alternative chest pathologies and right ventricular dysfunction within a single examination. In PAH, computed tomography of the chest is also deeply embedded within the diagnostic algorithm in order to exclude other causes of pulmonary hypertension, such as structural lung disease and chronic thromboembolic pulmonary hypertension of left heart disease. This article intends to provide a short overview on imaging techniques and characteristic findings in PAH, as well as acute and chronic pulmonary embolism.
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