<unk>  study of choice for an abdominal aortic aneurysm is ultrasound, which has near 100% sensitivity and 91% specificity. due to its high sensitivity, it is also performed as a screening test especially in patients who are considered at risk for an abdominal aortic aneurysm.
Abdominal aortic aneurysm diagnostic study of choice
Abdominal aortic aneurysm other imaging findings
Aortic dissection diagnostic study of choice
Mesenteric ischemia diagnostic study of choice
Portal hypertension diagnostic study of choice
Thoracic aortic aneurysm diagnostic study of choice
Upper gastrointestinal bleeding diagnostic study of choice
Lower gastrointestinal bleeding diagnostic study of choice