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Diuresis Renography Overview

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Questions and Answers

What is the primary purpose of diuresis renography?

To evaluate renal blood flow

To assess overall kidney function

To determine the presence of urinary tract obstruction (correct)

To measure residual kidney activity

Which of the following conditions is a contraindication for the use of furosemide in diuresis renography?

Patients suffering from chronic kidney disease

Patients who have undergone non-urologic surgeries

Patients who are anuric and/or dehydrated (correct)

Patients with a history of hypertension

What is the recommended dosage of furosemide for adult patients undergoing diuresis renography?

20-40 mg (correct)

50-100 mg

5-10 mg

1-2 mg/kg

What is a crucial patient preparation step before conducting diuresis renography?

<p>Patients should have an empty bladder</p> Signup and view all the answers

How does furosemide affect bladder pressure during the procedure?

<p>Increased bladder pressure may diminish the effect of furosemide</p> Signup and view all the answers

Study Notes

Diuresis Renography Purpose

Evaluates urinary tract obstruction by assessing tracer washout.

Procedure

Furosemide is given intravenously to increase urine output.
Imaging continues for about 20 minutes.

Patient Preparation

Patients should be well-hydrated.
Bladder should be empty.
Patients should not be anuric or dehydrated.
Patients who can't void voluntarily need catheterization.

Drug Interactions

Increased bladder pressure may reduce furosemide's effect.

Contraindications

Furosemide is not suitable for anuric or dehydrated patients.

Post-Surgical Precautions

Use furosemide with extreme caution in patients after urologic surgery.

Data Acquisition

Same as renal function study.

Furosemide Dosage

Adults: 20-40 mg.
Pediatric patients: 0.5-1 mg/kg.

Imaging Procedure

Furosemide is injected slowly (1-2 minutes).
Imaging continues for 20 minutes.

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Description

This quiz covers the purpose, procedure, and patient preparation for diuresis renography. It includes details on drug interactions, contraindications, and post-surgical precautions regarding the use of furosemide. Test your understanding of the imaging processes and dosages involved in renal studies.