A postpartum woman has a suspected deep vein thrombosis (DVT). Which diagnostic studies does the nurse prepare the woman to possibly have? (Select all that apply.)
A.
Laboratory draw for D-dimer
B.
Magnetic resonance imaging (MRI)
C.
Venogram
D.
Venous duplex ultrasound
E.
Ventilation-perfusion (V/Q) scan
ANS: A, B, D
Diagnostic tests for DVT include D-dimer (a fibrin degradation product), venous duplex ultrasound, and possibly an MRI. The venogram is contraindicated in pregnancy. A V/Q scan might be ordered if a question of pulmonary embolism existed, but in pregnancy, a spiral CT scan would be the better option.
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