A Intravenous urogram (IVU) is a fluoroscopy test of the urinary tract. It shows kidney outline and drainage; mostly replaced by CT. Typical effective dose 2 to 3 mSv, similar to about 8 months to 1 year of natural background radiation (about 3 mSv a year).
General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.
Kidney outline and drainage; mostly replaced by CT.
Stones or blockage where CT is unavailable.
Preparation depends on the study (fasting or bowel preparation). Tell staff if pregnant.
Typical effective dose 2 to 3 mSv, similar to about 8 months to 1 year of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
about 1 hour. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
Fluoroscopy
Consult a doctor to interpret results — a single test does not make a diagnosis.
Uses your location once to list the nearest facilities. Nothing is stored.
What does a ivu show?
Kidney outline and drainage; mostly replaced by CT.
Why is a ivu done?
Stones or blockage where CT is unavailable.
How do I prepare for a ivu?
Preparation depends on the study (fasting or bowel preparation). Tell staff if pregnant.
Does a ivu use radiation?
Typical effective dose 2 to 3 mSv, similar to about 8 months to 1 year of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
How long does a ivu take?
about 1 hour
Why is Intravenous urogram (IVU) done?
Stones or blockage where CT is unavailable.
How do I prepare for Intravenous urogram (IVU)?
Preparation depends on the study (fasting or bowel preparation). Tell staff if pregnant.
Is Intravenous urogram (IVU) safe in pregnancy?
Typical effective dose 2 to 3 mSv, similar to about 8 months to 1 year of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
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