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Related Concept Videos

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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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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.
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Troubleshooting FoCUS Image Acquisition: Patient Positioning, Transducer Manipulation, and Image Optimization.

Adam L Gottula1, Suhas Devangam2, Jessica L Koehler3

  • 1Department of Anesthesiology, Division of Critical Care, University of Michigan, Ann Arbor; Department of Emergency Medicine, University of Michigan, Ann Arbor; Max Harry Weil Institute for Critical Care Research and Innovation, University of Michigan, Ann Arbor; gottulaa1@gmail.com.

Journal of Visualized Experiments : Jove
|March 20, 2023
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Summary

Focused cardiac ultrasound (FoCUS) provides real-time patient data through bedside echocardiography. This guide details high-quality two-dimensional image acquisition techniques for FoCUS exams, enhancing clinical decision-making.

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Area of Science:

  • Point-of-care ultrasound
  • Cardiovascular imaging
  • Medical education

Background:

  • Focused cardiac ultrasound (FoCUS) is a critical bedside tool for real-time patient assessment.
  • It involves problem-oriented, qualitative echocardiography performed by clinicians.
  • Competency requires technical skills, image optimization, and understanding limitations.

Purpose of the Study:

  • To present concepts for successful, high-quality two-dimensional (B-mode) image acquisition in FoCUS.
  • To provide a guide applicable to standard FoCUS sonographic windows.
  • To offer a cognitive aid for transducer manipulation.

Main Methods:

  • Focuses on fundamental principles of two-dimensional B-mode image acquisition.
  • Applies concepts to established FoCUS views: PLAX, PSAX, A4C, SC4C, IVC.
  • Includes a figure illustrating phased array transducer movements.

Main Results:

  • Provides actionable concepts for achieving high-quality FoCUS images.
  • Demonstrates applicability across key sonographic windows.
  • Offers a practical visual aid for learning transducer manipulation.

Conclusions:

  • Mastery of FoCUS image acquisition is essential for effective bedside echocardiography.
  • These concepts enhance the quality and reliability of FoCUS examinations.
  • Improved image acquisition leads to better clinical information and patient care.