How are CT and V/Q lung scanning used in the workup of idiopathic pulmonary arterial hypertension (IPAH)?

Updated: Jul 08, 2020
  • Author: Ronald J Oudiz, MD, FACP, FACC, FCCP; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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High-resolution chest CT scanning and ventilation-perfusion (V/Q) lung scanning are frequently obtained to help exclude interstitial lung disease and thromboembolic disease. The V/Q scan is the preferred method for excluding chronic thromboembolic disease because it is more sensitive for chronic pulmonary embolism than CT scanning.

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