James A. Arrighi, Lifespan (IMAGE) Lifespan Caption James A. Arrighi, M.D., a cardiologist with Rhode Island Hospital, led a study which shows that stress testing with myocardial perfusion imaging as part of a pre-operative workup for bariatric surgery candidates may be unnecessary. The research is published in the Journal of Nuclear Cardiology. Credit Rhode Island Hospital Usage Restrictions with name and credit 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.