Which of the following tests is used to check ventilation and perfusion in order to assess the presence of a pulmonary embolus?
A) CT
B) MRA
C) PET
D) Scintiphotography

Question

Quizplus · Accepted Answer

Scintiphotography, also known as a lung ventilation/perfusion scan, is the preferred test for evaluating ventilation and perfusion in order to detect a pulmonary embolus. CT, MRA, and PET can also be used to assess for a pulmonary embolus, but they are typically reserved for cases where scintiphotography is inconclusive or unavailable.

Which of the Following Tests Is Used to Check Ventilation