Tokarczyk is the director of academic affairs and physician assistant education at NorthShore University HealthSystem in Illinois. She’s used her 3M Littmann Master Cardiology stethoscope for 25 ...

Emily Haley, a physician assistant at MedStar Franklin Square ... We tried listening with a stethoscope, but it was a disposable, non-functional one. We couldn't hear anything," Haley said.