Chapter 31 - Alternative diagnostics for venous

Question 1

D-dimer define

Answer 1

Protein fragment from thrombolysis (fibrin degradation)

Question 2

Causes of D-dimer elevation

Answer 2

1) pregnancy
2) liver disease
3) renal disease
4) cancer
5) thrombotic process
6) recent surgery

Question 3

Ascending venography

Answer 3

Contrast injected into distal superficial vein directed into deep system (dorsum of foot)

Question 4

Descending venography

Answer 4

Contrasted injected into femoral vein

Question 5

Lung ventilation/perfusion scan contrasts

Answer 5

IV contrast

Xenon gas