Ventilation scan. Use in the evaluation of occult airway obstruction.
D000328:Adult; D000402:Airway Obstruction / Q000000981:diagnostic imaging*; D002585:Cesarean Section; D005260:Female; D006801:Humans; D011183:Postoperative Complications / Q000000981:diagnostic imaging; D011247:Pregnancy; D011877:Radionuclide Imaging; D014692:Ventilation-Perfusion Ratio