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Related Concept Videos

Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

492
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
492
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

711
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...
711
Other Unique Bacteria01:18

Other Unique Bacteria

572
Magnetic bacteria exhibit a directed movement called magnetotaxis, driven by structures called magnetosomes. These magnetosomes consist of chains of magnetic particles made of either magnetite (Fe₃O₄) or greigite (Fe₃S₄) and are organized in a linear conformation by a protein scaffold within invaginations of the cell membrane. The bacteria align along the north–south magnetic field lines, much like a compass needle. They are typically microaerophilic or anaerobic...
572
Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

981
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
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
981
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

678
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...
678
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

825
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
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Related Experiment Video

Updated: Apr 22, 2026

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
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Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease

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Negotiating the radiologically isolated syndrome.

A Cummings1, J Chataway

  • 1Clinical Fellow, University College London Hospitals Foundation NHS Trust, London WC1N 3BG.

British Journal of Hospital Medicine (London, England : 2005)
|October 8, 2014
PubMed
Summary

Radiologically isolated syndrome (RIS) presents unique challenges in multiple sclerosis diagnosis and management. This review covers RIS definition, recent advancements, and patient care strategies.

Area of Science:

  • Neurology
  • Neuroimaging
  • Clinical Medicine

Background:

  • Multiple sclerosis (MS) diagnosis is complex, with radiologically isolated syndrome (RIS) posing a specific challenge.
  • RIS refers to incidental findings of demyelinating lesions on neuroimaging without clinical symptoms suggestive of MS.

Observation:

  • The identification of RIS has increased with widespread use of advanced MRI techniques.
  • Understanding the natural history and progression of RIS to symptomatic MS is crucial for patient management.

Findings:

  • Recent developments focus on refining diagnostic criteria and identifying biomarkers for predicting conversion to MS.
  • Research is exploring the role of early intervention in RIS patients at high risk of progression.

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Isolation of Brain-infiltrating Leukocytes
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Related Experiment Videos

Last Updated: Apr 22, 2026

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Isolating Human Peripheral Blood Mononuclear Cells and CD4+ T cells from Sézary Syndrome Patients for Transcriptomic Profiling
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Implications:

  • Effective management strategies for RIS are essential to potentially alter the disease course of multiple sclerosis.
  • Further research into RIS will improve early diagnosis and personalized treatment approaches for patients at risk.