Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

1.8K
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...
1.8K
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

1.3K
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...
1.3K
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

673
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...
673
Cardiac Catheterization IV: Nursing Management01:26

Cardiac Catheterization IV: Nursing Management

1.2K
Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
1.2K
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

902
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
902
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

568
DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
568

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

International Consensus on drug allergy.

Allergy·2014
Same author

Molecular characterization of aspergillus fumigatus allergens.

The Indian journal of chest diseases & allied sciences·2004
Same author

Clinical, pathologic, and toxicologic findings in asthma deaths in Cook County, Illinois.

Allergy and asthma proceedings·2001
Same author

Problems in the management of idiopathic anaphylaxis.

Allergy and asthma proceedings·2001
Same author

T cell proliferation and cytokine secretion to T cell epitopes of Asp f 2 in ABPA patients.

Clinical immunology (Orlando, Fla.)·2001
Same author

Cloning and expression of Aspergillus fumigatus allergen Asp f 16 mediating both humoral and cell-mediated immunity in allergic bronchopulmonary aspergillosis (ABPA).

Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology·2001
Same journal

Tamoxifen-driven neutrophil reprogramming protects from pulmonary Granulibacter bethesdensis infection in chronic granulomatous disease.

The Journal of allergy and clinical immunology·2026
Same journal

Clinical and transcriptomic characterization of mixed granulocytic COPD phenotype.

The Journal of allergy and clinical immunology·2026
Same journal

Dupilumab outcomes in pediatric asthma by early eosinophil status: post hoc analysis of VOYAGE/EXCURSION.

The Journal of allergy and clinical immunology·2026
Same journal

Maternal antibiotic exposure alters the newborn metabolomic profile and increases the risk of respiratory infections in offspring: a 13-year longitudinal birth cohort study.

The Journal of allergy and clinical immunology·2026
Same journal

Selective Elimination of Mast Cells via Siglec-6-Targeted Nanodelivery of Drug Payload.

The Journal of allergy and clinical immunology·2026
Same journal

Loss of epidermal miR-149 sensitizes to skin inflammation.

The Journal of allergy and clinical immunology·2026
See all related articles

Related Experiment Video

Updated: May 5, 2026

Anatomical Reconstructions of the Human Cardiac Venous System using Contrast-computed Tomography of Perfusion-fixed Specimens
06:02

Anatomical Reconstructions of the Human Cardiac Venous System using Contrast-computed Tomography of Perfusion-fixed Specimens

Published on: April 18, 2013

11.2K

Contrast media reactions.

P A Greenberger

    The Journal of Allergy and Clinical Immunology
    |October 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    Contrast media reactions, including anaphylactoid and vasomotor types, occur with infusions. Pretreatment with medications significantly reduces repeat reaction rates in patients with prior anaphylactoid reactions.

    More Related Videos

    In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
    08:13

    In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography

    Published on: February 16, 2016

    21.6K
    Tissue Preparation Techniques for Contrast-Enhanced Micro Computed Tomography Imaging of Large Mammalian Cardiac Models with Chronic Disease
    12:15

    Tissue Preparation Techniques for Contrast-Enhanced Micro Computed Tomography Imaging of Large Mammalian Cardiac Models with Chronic Disease

    Published on: February 8, 2022

    4.9K

    Related Experiment Videos

    Last Updated: May 5, 2026

    Anatomical Reconstructions of the Human Cardiac Venous System using Contrast-computed Tomography of Perfusion-fixed Specimens
    06:02

    Anatomical Reconstructions of the Human Cardiac Venous System using Contrast-computed Tomography of Perfusion-fixed Specimens

    Published on: April 18, 2013

    11.2K
    In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
    08:13

    In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography

    Published on: February 16, 2016

    21.6K
    Tissue Preparation Techniques for Contrast-Enhanced Micro Computed Tomography Imaging of Large Mammalian Cardiac Models with Chronic Disease
    12:15

    Tissue Preparation Techniques for Contrast-Enhanced Micro Computed Tomography Imaging of Large Mammalian Cardiac Models with Chronic Disease

    Published on: February 8, 2022

    4.9K

    Area of Science:

    • Radiology
    • Pharmacology
    • Immunology

    Background:

    • Contrast media reactions are classified as anaphylactoid, vasomotor, severe, or fatal.
    • Anaphylactoid reactions mimic IgE-mediated hypersensitivity, presenting with symptoms like urticaria and hypotension.
    • Vasomotor reactions include nausea, vomiting, and flushing.

    Purpose of the Study:

    • To investigate the incidence and management of contrast media reactions.
    • To evaluate the effectiveness of pretreatment protocols in reducing repeat reactions.

    Main Methods:

    • Review of contrast media reaction classifications and incidences.
    • Analysis of pretreatment strategies, including prednisone, diphenhydramine, and ephedrine.

    Main Results:

    • Anaphylactoid reactions occur in 2-8% of infusions; severe reactions occur in ~1 in 1000 procedures.
    • Repeat reaction rates for patients with prior anaphylactoid reactions range from 35-60%.
    • Pretreatment with prednisone and diphenhydramine reduced reaction rates to 9%; adding ephedrine further reduced rates to 3.1%.

    Conclusions:

    • Pretreatment protocols significantly decrease the incidence of repeat contrast media reactions.
    • Emergency equipment is essential for managing severe contrast media reactions.