Feb 14, 2025 · It is difficult to obtain technically adequate images for pulmonary embolism patients using MRI. Magnetic resonance pulmonary angiography (MRPA) should be considered only at centers that routinely perform it well and only …

Sep 5, 2019 · The historical gold standard for diagnosis of pulmonary embolism, it is reserved for patients where CT pulmonary angiography or V/Q scans are non-diagnostic. A filling defect or vessel occlusion is diagnostic of pulmonary embolism.

The site and number of pulmonary emboli should be described: central, main, lobar, segmental or subsegmental vessels. Associated signs include: straightening of the intraventricular septum from right heart strain or pulmonary infarction. Signs of chronicity include: main pulmonary artery enlargement or vascular webs.

Jan 1, 2025 · A massive pulmonary embolism (PE) represents the most severe manifestation of venous thromboembolic disease and causes acute right ventricular outflow obstruction which can be fatal.

Pulmonary cement embolism refers to embolization of polymethyl methacrylate (PMMA) into the lungs. PMMA is a rapidly settling acrylic cement that is often used in vertebroplasty.

Jun 13, 2019 · The Wells criteria for pulmonary embolism is a risk stratification score and clinical decision rule to estimate the probability for acute pulmonary embolism (PE) in patients in which history and examination suggests acute PE is a diagnostic possibility.

Sep 25, 2024 · Pulmonary fat embolism refers to pulmonary embolism by fat, most commonly due to major trauma. This can rarely progress to life-threatening fat embolization syndrome.

Feb 15, 2025 · Septic pulmonary emboli refer to the embolisation of infectious particles (intravascular thrombus containing micro-organisms) into the lungs via the pulmonary arterial system.

Mar 13, 2025 · The revised PIOPED criteria for the diagnosis of pulmonary embolus indicate the probability of pulmonary emboli based on findings on V/Q scan (ventilation-perfusion scintigraphy).

Jun 2, 2024 · the "60/60 sign", putatively indicating an acute cause of elevated right ventricular pressures, with a pulmonary valve acceleration time <60 ms, and a tricuspid regurgitation jet >30 but <60 mmHg