Practice Quiz

Respiratory Therapist

Category - Patient Evaluations and Recommendations

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If it is suspected that the patient has a pulmonary embolus, what procedure would confirm?
  1. CT scan
  2. PET scan
  3. VQ scan
  4. Echocardiogram
Explanation
Answer: C - A patient suspected of having a pulmonary embolus can be confirmed with a VQ scan.

A ventilation-perfusion (VQ) scan is the comparison of ventilation and perfusion. It can be used to detect an area that is ventilated but not perfused. It is also used to determine areas where ventilation and perfusion are not matched.
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