Allison Dsouza (IMAGE) University of Pittsburgh Caption Allison Dsouza, a UPMC nurse and pulmonary hypertension patient. Credit Peri Hoke Usage Restrictions For use with this embargoed release License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.