2025年2月14日 · Pulmonary embolism (PE) refers to partial or complete embolic occlusion of one or more pulmonary arteries, most commonly due to thrombus. PE is apparent as a ventilated perfusion defect on V/Q scan 35. Non-thrombotic pulmonary emboli sources include 30: gas embolism, e.g. air embolism, carbon dioxide embolism, nitrogen, helium fat embolism

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2024年7月18日 · The computed tomography pulmonary angiogram (CTPA / CTPE) is a commonly performed diagnostic examination to exclude pulmonary emboli (PE). Each radiology department will have a slightly different method for achieving the same outcome, i.e. diagnostic density of the main pulmonary artery and its branches.

2021年7月27日 · If a doctor suspects you may have a pulmonary embolism, a CT scan is the gold standard for diagnostic imaging. Learn about when a CT scan is used for PE, how it works, what it looks like,...

2017年12月1日 · Imaging plays an important role in the evaluation and management of acute pulmonary embolism (PE). Computed tomography (CT) pulmonary angiography (CTPA) is the current standard of care and provides accurate diagnosis with rapid turnaround time.

A CT pulmonary angiogram (CTPA) is a medical diagnostic test that employs computed tomography (CT) angiography to obtain an image of the pulmonary arteries. Its main use is to diagnose pulmonary embolism (PE). [1]

2012年11月23日 · For more than 25 years, the direct signs of pulmonary embolism have been available to the radiologist on CT, and this noninvasive technique has produced a paradigm shift that has raised the standard of care for patients with this disease.

Dual-energy CT (DECT) has the advantages of MDCT and can provide functional information for patients with PE. The aim of this review is to present the potential clinical applications of DECT in PE, focusing on the diagnosis and risk stratification of PE.

Pulmonary embolism (PE) is a potentially life threatening condition requiring adequate diagnosis and treatment. Computed tomography pulmonary angiography (CTPA) is excellent for including and excluding PE, therefore CT is the first-choice diagnostic ...

In this article, we describe the technique of CT pulmonary angiography, diagnostic criteria for acute and chronic pulmonary embolism, and causes of misdiagnosis of pulmonary embolism.