Stool bleeding dark red do not do colonoscopy how to diagnose

Fecal occult

blood test is a commonly used screening method, which can detect whether human hemoglobin is contained in stool. If the occult blood test is positive, it indicates that there is gastrointestinal bleeding.

2

. Abdominal ultrasound examination Abdominal ultrasound

examination can find some gastrointestinal tract, polyps, tumors and other abnormalities of abdominal organs, which helps to screen the cause.

3. MRI examination

MRI examination can provide more detailed gastrointestinal image information, which can determine whether there are polyps, tumors and other lesions.