Fig. 2From: Preoperative balloon pulmonary angioplasty for chronic thromboembolic pulmonary hypertension led to successful anesthetic management for total hysterectomy under general anesthesia: a case reportPre-balloon pulmonary angioplasty images. a Contrast-enhanced computed tomography showed no emboli in the pulmonary arteries. b Lung perfusion scan showed multiple blood flow defectsBack to article page