Product Placement Blog ➞ 3M3M Littmann Stethoscopes in Chicago Med S07E21 “Lying Doesn't Protect You from the Truth” (2022)May 19, 2022 Sergey TV Show Hi! On Thursday, May 19, I analyzed a TV Show and product placement was spotted: 3M Littmann Stethoscopes in Chicago Med S07E21 “Lying Doesn’t Protect You from the Truth” (2022).Here are 5 image(s) below: