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Related Concept Videos

Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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...
Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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

Cardiac Catheterization IV: Nursing Management

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...
Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...

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Related Experiment Video

Updated: May 24, 2026

Reduction of Radiation Exposure during Endovascular Treatment of Peripheral Arterial Disease Combining Fiber Optic RealShape Technology and Intravascular Ultrasound
13:48

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Occupational Radiation Exposures in Interventional Radiology and the Cardiac Catheterization Laboratory.

Jason D Hout1, Glenn M Sturchio2, JuHyeong Ryu3

  • 1Mayo Clinic, 200 1(st) St. SW, Rochester, MN 55902; Department of Industrial and Management Systems Engineering, West Virginia University, 1306 Evansdale Drive, Morgantown, WV 26508.

Mayo Clinic Proceedings
|May 22, 2026
PubMed
Summary

Physicians, nurses, and technologists in interventional radiology and cardiac catheterization labs have varying occupational radiation exposures. These differences may require tailored radiation protection measures for each professional role.

Keywords:
Cardiac CatheterizationFluoroscopyInterventional RadiologyOccupational Radiation ExposureProtective ApronRadiation Safety

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Area of Science:

  • Medical Physics
  • Occupational Health
  • Radiology

Background:

  • Occupational radiation exposure is a concern in interventional radiology and cardiac catheterization laboratories.
  • Understanding dose variations among professional roles is crucial for effective radiation safety.

Purpose of the Study:

  • To compare occupational radiation doses among physicians, nurses, and technologists.
  • To investigate if role-specific protective measures are warranted based on exposure levels.

Main Methods:

  • Retrospective review of de-identified radiation exposure records from 2021-2023.
  • Analysis of data from 758 employees in interventional radiology or cardiac catheterization settings.
  • Comparison of median radiation doses by professional role and hospital type.

Main Results:

  • Significant differences in median radiation doses were found across all professional groups (P<.001).
  • Physicians had the highest median dose (5.60 mSv), followed by nurses (1.63 mSv) and technologists (1.28 mSv).
  • Significant dose variations also existed when comparing roles across different hospital settings.

Conclusions:

  • Radiation protection strategies should be tailored to professional roles and hospital locations in interventional suites.
  • Current exposure levels may permit the use of lighter protective aprons, potentially reducing musculoskeletal strain.