If the sensitivity of a noninvasive study is 94%, specificity is 90%, positive predictive value is 93% and the negative predictive value is 89%, which of the following percentages reflects overall accuracy? 

If all other factors remain constant, one would expect a reduction in vessel diameter to do which of the following?

Which condition characterized by a congenital narrowing of the thoracic aorta is being demonstrated in the following image?

Which term describes an aorta that is diffusely dilated?

Which venous pathology is being represented below?

What are the branches of the celiac artery?

Which condition characterized by a congenital narrowing of the thoracic aorta is being demonstrated in the following image?

The ability of a test to exclude venous disease when no disease is present.  It is calculated by dividing the number of true negative noninvasive studies by the number of all negative studies by the gold standard.  

A 64 year old diabetic male presents to the vascular laboratory with a history of left extremity rest pain, bilateral calf claudication after walking 150 feet, ulcerations on the great toes, and an ankle systolic pressure of 300mmHg. Both brachial pressures are 140mmHg.  These findings most strongly suggest which of the following?

Which of the following would not cause a vibration or a thrill?