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Imaging Studies II: Ultrasonography

Imaging Studies II: Ultrasonography

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...

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

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IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...

Imaging Studies III: Computed Tomography

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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...

Imaging Studies I: Kidney, Ureter, and Bladder Studies

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Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...

Imaging Studies VI: Voiding Cystourethrography and Cystography

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Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...

Imaging Studies I: CT and MRI

Imaging Studies I: CT and MRI

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...

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Updated: Jul 7, 2026

Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava

Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava

Published on: January 13, 2023

ICU imaging.

Joshua R Hill¹, Peder E Horner, Steven L Primack

¹Department of Radiology, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, L340, Portland, OR 97239, USA. hilljo@ohsu.edu

Clinics in Chest Medicine

|February 13, 2008

Summary

This summary is machine-generated.

Chest radiography is vital for critically ill patients, aiding in diagnosing lung and pleural issues. It also monitors support devices, while CT scans offer detailed characterization of lung diseases.

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Area of Science:

Radiology
Critical Care Medicine
Medical Imaging

Background:

Chest radiography is a cornerstone in managing critically ill patients.
It is essential for diagnosing and monitoring pulmonary and pleural abnormalities.
Radiography also plays a key role in assessing medical devices and their complications.

Purpose of the Study:

To highlight the critical role of chest radiography in intensive care settings.
To outline the diagnostic and monitoring capabilities of chest radiography.
To compare the utility of chest radiography with computed tomography (CT) in specific scenarios.

Main Methods:

Review of the applications of chest radiography in critically ill patients.
Discussion of the interpretation of pulmonary parenchymal and pleural abnormalities on chest X-rays.
Consideration of the evaluation of endotracheal tubes, central venous catheters, and other support devices.

Main Results:

Chest radiography effectively diagnoses common lung and pleural conditions in the critically ill.
It is crucial for monitoring disease progression and the placement of support devices.
Computed tomography provides superior characterization of parenchymal and pleural disease when needed.

Conclusions:

Chest radiography remains indispensable for the initial evaluation and ongoing management of critically ill patients.
It facilitates timely diagnosis and monitoring of a wide range of conditions and device-related issues.
CT scanning serves as a valuable complementary tool for detailed disease characterization in select cases.