Using SpiroSmart (image) University of Washington Share Print E-Mail Caption To use SpiroSmart, a person holds a smartphone at arm's length and follows prompts on the screen to breathe in deeply and then exhale toward the phone. Credit S. Patel, Univ. of Washington Usage Restrictions With credit. Share Print E-Mail 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.