Your patient is suspected of having one or more pulmonary em…
Your patient is suspected of having one or more pulmonary emboli. He is tested by inhaling a radioactive gas and receiving an intravenous injection of radiolabeled particles. Which test results on his ventilation-perfusion lung scans will prove he has a pulmonary embolism?I. Normal blood flow through the lungsII. Decreased blood flow through the lungsIII. Normal ventilation through the lungsIV. Decreased ventilation through the lungs