Contrast Media for Radiographic Procedures

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Questions and Answers

CTU uses ______ for nephrographic purposes.

LOCM

The volume used in CTU is ______ mL.

100

A typical dosage of LOCM is ______ mg.

300

The injection rate for the contrast medium is ______ mL per second.

<p>1</p> Signup and view all the answers

During delayed scans, the volume commonly used can be ______ mL.

<p>3–4</p> Signup and view all the answers

MRI ______ is used to assess the urinary tract.

<p>urinary</p> Signup and view all the answers

The ______ is not indicated for prostate imaging in this case.

<p>MRI prostat</p> Signup and view all the answers

A contrast agent of ______ mmol is mentioned for use.

<p>0.1</p> Signup and view all the answers

Assessment of the urinary tract using MRI may include various ______.

<p>parameters</p> Signup and view all the answers

The response options included ______, indicating the suitability of the MRI.

<p>Yes/No</p> Signup and view all the answers

The term 'plain ______' refers to a standard type used in imaging.

<p>film</p> Signup and view all the answers

______ involves using X-rays to visualize internal structures.

<p>Radiography</p> Signup and view all the answers

In ______, the image produced is usually black and white.

<p>radiography</p> Signup and view all the answers

Plain film radiography does not use ______ contrast mediums.

<p>NO</p> Signup and view all the answers

The primary purpose of plain film ______ is to diagnose various medical conditions.

<p>radiography</p> Signup and view all the answers

An MRI of the ______ is not required.

<p>adrenals</p> Signup and view all the answers

The body weight is expressed in ______.

<p>kg</p> Signup and view all the answers

The required volume for the procedure is ______ mL.

<p>20</p> Signup and view all the answers

The result should be monitored over ______ min.

<p>min</p> Signup and view all the answers

The measurement unit for body weight is ______.

<p>weight</p> Signup and view all the answers

The procedure involves __________ in urethrography.

<p>ascending</p> Signup and view all the answers

In the male urethrography, __________ is used as a contrast agent.

<p>LOCM</p> Signup and view all the answers

The recommended dosage of LOCM is __________ mg.

<p>200-300</p> Signup and view all the answers

Flushing the system requires __________ mL.

<p>50</p> Signup and view all the answers

The time for administering 1 mL is __________ seconds.

<p>1</p> Signup and view all the answers

The term ______ describes a backward movement or process.

<p>retrograde</p> Signup and view all the answers

In medical imaging, ______ refers to the use of low-osmolar contrast media.

<p>LOCM</p> Signup and view all the answers

The recommended dosage for the procedure is ______ mg.

<p>150–200</p> Signup and view all the answers

A volume of ______ mL is typically utilized in this procedure.

<p>10</p> Signup and view all the answers

In this context, ______ refers to a specific administration rate.

<p>1 mL- 1s</p> Signup and view all the answers

Flashcards

MRI urinary tract

A medical imaging technique that uses strong magnetic fields and radio waves to create detailed images of the urinary tract organs, such as the kidneys, bladder, and urethra.

MRI prostate

A medical imaging technique that uses strong magnetic fields and radio waves to create detailed images of the prostate gland.

Radiography

A type of medical imaging that uses X-rays to create images of the inside of the body.

Plain film radiography

A type of radiography that uses X-rays to create images of the inside of the body without the use of contrast agents.

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Contrast enhanced radiography

Radiography that uses a substance called a contrast agent to make certain structures in the body easier to see.

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Ultrasound

A type of medical imaging that uses sound waves to create images of the inside of the body.

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Magnetic Resonance Imaging (MRI)

A type of medical imaging that uses magnetic fields and radio waves to create images of the inside of the body.

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Pyeloureterography

A medical imaging test using contrast medium to visualize the kidneys and ureters. It helps detect abnormalities like blockages or infections.

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HOCM

A condition where the heart muscle thickens, particularly around the outflow tract of the left ventricle.

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LOCM

A condition where the left ventricle is smaller than normal and may have a stiff, inflexible wall. It can be accompanied by heart block.

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Nephrographic Scan

A type of medical imaging test that involves injecting a contrast dye into the bloodstream and taking a series of images of the kidneys over time.

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Delayed Scan

A type of medical imaging test that involves injecting a contrast dye into the bloodstream and taking delayed images of the kidneys.

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CTU

A medication used in nephrographic and delayed scans.

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CTU Dosage

The typical dosage of CTU used in nephrographic and delayed scans.

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CTU Injection Rate

A typical injection rate for CTU during nephrographic and delayed scans.

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kg-1

A measurement unit for body weight, commonly used in medicine and research.

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MRI adrenals

MRI of the adrenal glands is a medical imaging technique that uses magnetic fields and radio waves to create detailed images of the adrenal glands.

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mL

A measurement unit for volume, commonly used in medicine to express fluid volumes.

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min

A measure of time, typically used to express duration or speed of a process.

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No

A medical term that refers to the absence of a specific characteristic or feature.

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Male urethrography (ASU)

A medical imaging technique that uses contrast dye to visualize the urethra in males.

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Contrast dosage in ASU

The amount of contrast agent (dye) used in male urethrography (ASU).

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Injection rate of contrast in ASU

The speed at which contrast is injected during male urethrography (ASU).

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Flush volume after contrast in ASU

The amount of flush used after injecting contrast in male urethrography (ASU).

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Contrast injection and flush in ASU

The process of injecting contrast into the urethra and then flushing it out. This procedure is used to visualize the urethra during a male urethrography (ASU).

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Study Notes

Contrast Media for Procedures

  • Procedure: Plain film radiography, ultrasound of urinary tract, CT KUB, IVU, CT Urography (unenhanced and nephrographic/delayed scans), CT angiography, MRI urinary tract, MRI prostate, excretory MR urography, MRI adrenals, ascending urethrography, retrograde pyeloureterography, and percutaneous renal cyst puncture and biopsy.

  • Contrast Medium:

    • IVU: Yes, LOCM (low osmolality contrast medium) with a concentration of 300-370 mg.
    • CT Urography (unenhanced): Yes, Water.
    • CT Urography (nephrographic/delayed scans): Yes, LOCM with a concentration of 300 mg.
    • CT Angiography: Yes, LOCM with a concentration of 300 mg.
  • Volume Contrast (mL):

    • Adult IVU: 50-100 mL
    • Paediatric IVU: 1 mL per 1kg.
    • CT Urography (unenhanced): 500-1000 mL.
    • CT Urography (nephrographic/delayed scans): 100 mL.
    • CT Angiography: 100-150 mL.
    • MRI (excretory urography): 0.1 mmol gadolinium per kilogram of body weight.
    • MRI (ascending urethrography): 20 mL of contrast medium flushing into an additional 50 mL of contrast medium.
    • Retrograde pyeloureterography: 150-200mg LOCM.
    • Percutaneous renal cyst puncture/biopsy: 10-15 mL of 150-200 mg of LOCM.
  • Time:

    • IVU: 45-60 minutes.
    • CT Urography (unenhanced): 45-60 minutes.
    • CT Urography (nephrographic/delayed scans): 1-4 minutes.
    • CT Angiography: 3-4 minutes.
    • MRI (excretory urography): 10-20 minutes.
    • Retrograde pyeloureterography: 1-15 minutes.
    • Percutaneous renal cyst puncture/biopsy: 1-15 minutes, depending on procedure specifics.

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