Final answer:
An upper abdominal systolic-diastolic bruit is a turbulent sound heard in the upper abdominal region caused by abnormal blood flow through blocked arteries.
Step-by-step explanation:
An upper abdominal systolic-diastolic bruit is a turbulent sound heard in the upper abdominal region using a stethoscope. It is caused by the abnormal flow of blood through narrowed or blocked arteries. This sound can be indicative of an occlusion, aneurysm, or heart valve damage.