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Related Concept Videos

Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
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...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).

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Multi-modal Imaging of Angiogenesis in a Nude Rat Model of Breast Cancer Bone Metastasis Using Magnetic Resonance Imaging, Volumetric Computed Tomography and Ultrasound
12:23

Multi-modal Imaging of Angiogenesis in a Nude Rat Model of Breast Cancer Bone Metastasis Using Magnetic Resonance Imaging, Volumetric Computed Tomography and Ultrasound

Published on: August 14, 2012

Diagnosis: imaging techniques.

C Gregory Elliott1, Todd D Lovelace, Lynette M Brown

  • 1Department of Medicine, Intermountain Medical Center, 5121 South Cottonwood Street, Suite 307, Murray, UT 84107, USA. Greg.Elliott@imail.org

Clinics in Chest Medicine
|November 5, 2010
PubMed
Summary
This summary is machine-generated.

Diagnosing venous thromboembolism (VTE) requires objective testing, not just medical history or physical exams. Imaging like CTPA or ultrasonography is crucial for confirming VTE.

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Area of Science:

  • Medical Imaging
  • Diagnostic Medicine
  • Cardiopulmonary Medicine

Background:

  • Clinical diagnosis of venous thromboembolism (VTE) is unreliable based on history and physical examination alone.
  • Objective testing is essential for all patients with suspected VTE.
  • Various imaging modalities are available for VTE diagnosis.

Purpose of the Study:

  • To outline the diagnostic approach for suspected venous thromboembolism (VTE).
  • To discuss the role of different imaging modalities in VTE diagnosis.
  • To emphasize the importance of objective testing in VTE evaluation.

Main Methods:

  • Review of diagnostic imaging techniques for VTE.
  • Discussion of indications and limitations of various tests.
  • Consideration of patient-specific factors in test selection.

Main Results:

  • Compression ultrasonography, V/Q scintigraphy, and CTPA are primary imaging tests for suspected VTE.
  • Conventional pulmonary arteriography is reserved for non-diagnostic CTPA or planned interventions.
  • Bedside echocardiography is valuable for hypotensive patients with suspected pulmonary embolism.

Conclusions:

  • Objective testing is mandatory for diagnosing VTE.
  • The choice of imaging modality depends on clinical suspicion and patient factors.
  • Clinicians must weigh the risks and benefits of diagnostic tests like CTPA.