Reliability of test results Good. Other tests, studies and clinical observations are necessary to establish a precise diagnosis. Patient time for test About 1 hour. Before the test Purpose of test Locates source of gastrointestinal bleeding.
Helps distinguish between malignant and benign growths.
Evaluates cirrhosis and portal hypertension. Evaluates blood-vessel damage after abdominal injury. Detects blood-vessel abnormalities. Hospital, doctor's office, outpatient or free standing surgical facility. Risks and precautions Test should be done cautiously if you have blood-clotting problems.