3M Littmann 6152 Cardiology IV Monitoring Stethoscope 27 Inch BlackProduct Description Built to hear more Sturdy and refined, the Littmann Cardiology IV helps isolate subtle sounds2 so you can hear changes in your patients in the most critical and challenging environments. Designed to help you listen for hard to hear sounds, including aortic stenosis, S3 gallop murmurs and faint pulmonary anomalies. Useful in critical care and challenging environments such as the ED, ICU, Cardiac ICU, step down unit and other dynamic