Pulse-Oximetry (IMAGE) Thomas Jefferson University Caption Jefferson researchers found that for hospitalized heart failure patients, overnight pulse-oximetry correlates with outpatient polysomnography. Credit Thomas Jefferson University Usage Restrictions None License Licensed 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.