3M™ Littmann® Cardiology IV™ Diagnostic Stethoscope, Black-Finish Chestpiece, Navy Blue Tube, Black Stem, 6168

Built to hear more

Sturdy and refined, the Littmann Cardiology IV helps isolate subtle sounds1 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 locations


Hear subtle changes in patient status.


Diagnose and make decisions with confidence.


1Better audibility of high-frequency sounds (adult side, firm pressure) compared to Cardiology III can help you learn more about your patient’s condition

• Diagnose and make decisions with confidence
• Hear subtle changes in patient status
• Useful in critical care and challenging environments such as the ED, ICU, Cardiac ICU, step-down unit and other dynamic locations
• 7-year warranty
• Ergonomic and high profile construction; 40% larger chestpiece and 60% deeper bell than the 3M™ Littmann® Classic III™ Stethoscope
• Designed for use with adult and pediatric patients
• Tunable, dual-sided stainless steel chestpiece with open or closed bell
• Non-chill bell sleeve for greater patient comfort
• Soft-sealing ear-tips provide optimal comfort and excellent sound occlusion
• Made in the USA without natural rubber latex