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Related Concept Videos

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

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Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
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Pulmonary Embolism I: Introduction01:29

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Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
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Radiological Investigation III: Pulmonary Angiogram and PET Scan

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
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A pulmonary embolism occurs when a thrombus, amniotic fluid, tumor tissue, fat, or air embolus blocks one or more pulmonary arteries. Effective nursing management and patient education are crucial for improving outcomes and preventing recurrence.Nursing management starts with obtaining a comprehensive patient history, particularly noting any history of deep vein thrombosis (DVT). Assess for clinical manifestations, including dyspnea, chest pain, crackles, heart murmurs, and signs of right-sided...
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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

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Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
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An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
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Pediatric Pulmonary Embolism: Imaging Guidelines and Recommendations.

Spencer G Degerstedt1, Abbey J Winant2, Edward Y Lee2

  • 1Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA 02215, USA.

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Summary

Pediatric pulmonary embolism diagnosis lacks clear guidelines. This review offers an updated imaging approach and algorithm for diagnosing pulmonary embolism in children, improving patient care.

Keywords:
AngiographyComputed tomography pulmonary angiography (CTPA)PediatricPulmonary embolism (PE)RadiographyThrombosisVentilation/perfusion (V/Q) scan

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Area of Science:

  • Pediatric Radiology
  • Cardiovascular Imaging
  • Diagnostic Algorithms

Background:

  • Pulmonary embolism (PE) diagnosis in children lacks established algorithms, unlike in adults.
  • The incidence of PE in pediatric and young adult populations is underestimated.
  • Current diagnostic strategies for pediatric PE require urgent updates.

Purpose of the Study:

  • To provide an updated review of imaging techniques for pediatric pulmonary embolism.
  • To outline characteristic radiologic findings in pediatric PE.
  • To present an evidence-based algorithm for diagnosing pediatric PE.

Main Methods:

  • Comprehensive literature review of diagnostic imaging modalities for pediatric PE.
  • Analysis of radiologic findings associated with PE in pediatric patients.
  • Development of a structured, evidence-based diagnostic algorithm.

Main Results:

  • Detailed description of various imaging techniques (e.g., CTPA, V/Q scan) and their utility.
  • Identification of key imaging features indicative of PE in children.
  • Presentation of a novel, stepwise diagnostic algorithm for suspected pediatric PE.

Conclusions:

  • Updated imaging guidelines are crucial for accurate pediatric PE diagnosis.
  • The proposed algorithm aims to standardize and improve the diagnostic pathway.
  • Enhanced diagnostic accuracy will lead to improved clinical outcomes for pediatric PE patients.