Defecography

What it shows

Rectal emptying and pelvic floor movement.

Why it is done

Obstructed defecation, prolapse.

Preparation

Preparation depends on the study (fasting or bowel preparation). Tell staff if pregnant.

Radiation & safety

Typical effective dose 1 to 3 (fluoroscopy) or none (MRI) mSv, similar to up to about 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 it takes

30 to 45 minutes. General information, not a diagnosis. Results must be interpreted by a qualified health worker.

Sample type

Fluoroscopy

यह कहाँ कराएँ

सामान्य प्रश्न

What does a defecating proctogram show?
Rectal emptying and pelvic floor movement.

Why is a defecating proctogram done?
Obstructed defecation, prolapse.

How do I prepare for a defecating proctogram?
Preparation depends on the study (fasting or bowel preparation). Tell staff if pregnant.

Does a defecating proctogram use radiation?
Typical effective dose 1 to 3 (fluoroscopy) or none (MRI) mSv, similar to up to about 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 defecating proctogram take?
30 to 45 minutes

Defecography क्यों किया जाता है?
Obstructed defecation, prolapse.

Defecography के लिए कैसे तैयारी करें?
Preparation depends on the study (fasting or bowel preparation). Tell staff if pregnant.

Defecography गर्भावस्था में सुरक्षित है?
Typical effective dose 1 to 3 (fluoroscopy) or none (MRI) mSv, similar to up to about 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.