@article{article_503145, title={A Misclassification of Pulmonary Stenosis Using Conventional Echocardiographic Methods}, journal={Balkan Medical Journal}, volume={35}, pages={105–107}, year={2018}, author={Öz, Tuğba Kemaloğlu and Eren, Mehmet and Gürol, Tayfun and Soylu, Özer and Dağdeviren, Bahadır}, keywords={Atrial septal defect, echocardiography, pregnancy, pulmonary stenosis, three-dimensional echocardiography}, abstract={Background: The classification of pulmonary stenosis (PS) severity based on the transpulmonary pressure gradient, which is affected by flow rate. Case Report: We report the first case of a pregnant patient with atrial septal defect (ASD) and pulmonary stenosis that was misclassified by conventional echocardiographic methods. Most importantly, three-dimensional transoesophageal echocardiographic assessment of pulmonary stenosis changed the entire treatment strategy. Conclusion: The planimetric calculation of the pulmonary valve (PV) opening area using three-dimensional transoesophageal echocardiographic may be helpful, especially in encounters with specialized conditions such as ASD and/or pregnancy, which can cause inaccurate recordings of the transvalvular peak gradient.}, number={1}, publisher={Trakya University}