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Related Concept Videos

Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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Positron Emission Tomography01:29

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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

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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Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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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.
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...
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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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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
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...
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Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Related Experiment Video

Updated: Apr 5, 2026

Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition
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Research Resources Survey: Radiology Junior Faculty Development.

Elizabeth A Krupinski, John R Votaw

    Academic Radiology
    |August 8, 2015
    PubMed
    Summary

    Junior faculty in radiology face challenges with motivation, resources, and time, despite available departmental support. Enhancing marketing of resources and mentoring clinical faculty in research can improve career success.

    Area of Science:

    • Radiology
    • Academic Medicine
    • Faculty Development

    Background:

    • Junior faculty in US academic radiology departments require robust mentorship and funding opportunities for research success.
    • Understanding the availability and impact of resources is crucial for career progression.

    Purpose of the Study:

    • To assess research mentorship and funding resources for junior faculty in US academic radiology.
    • To identify resources common in successful radiology research programs.

    Main Methods:

    • Anonymous survey sent to vice-chairs of research in radiology departments.
    • Evaluation of survey results to identify departmental practices and resources.
    • Correlation of departmental practices with National Institutes of Health (NIH) funding success.

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    Last Updated: Apr 5, 2026

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    Main Results:

    • 51% response rate; research faculty submit more funding applications than clinical faculty.
    • Most programs offer start-up costs and K-awards; many have formal mentorship programs.
    • Top-tier NIH-funded programs feature a mix of MDs with >50% research effort and PhD faculty; motivation, resources, and time are key barriers.

    Conclusions:

    • Improved marketing of existing resources and dedicated mentoring for clinical faculty in research are needed.
    • Explicit milestones and expectations can enhance junior faculty success and promote the clinician-scientist career path.
    • Addressing motivation, resource, and time barriers is essential for radiology research advancement.