Littman Cardiology IV Stethoscope


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Product description

  • Diagnose and make decisions with confidence
  • Hear high or low frequency sounds by slightly adjusting pressure on the chestpiece
  • Dual-lumen tubing helps eliminate the rubbing noise of traditional double tubes
  • Next-generation tubing is durable and has increased resistance to staining
  • Headset is easily adjusted for individual fit and comfort, with angled eartubes that align with ear canals
  • Seven-year warranty
  • 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 without natural rubber latex

The 3M™ Littmann® Cardiology IV™ Stethoscope is designed for clinicians who require outstanding acoustic performance combined with exceptional versatility. Its functional design provides a single-piece tunable diaphragm on each side of the chestpiece, letting clinicians hear different frequency sounds by simply adjusting the pressure on the chestpiece. The dual-lumen tubing combines two sounds paths in one tube, eliminating the rubbing noise that traditional double tubes create. Not just for cardiologists, this stethoscope is ideal for a variety of healthcare professionals to identify, listen to, and study cardiac, lung, and other body sounds in adult and pediatric patients.

The 3M™ Littmann® Cardiology IV™ Diagnostic Stethoscope's distinctive, chalice-shaped chestpiece delivers outstanding acoustic performance, diagnostic versatility, and convenience for treating adult and pediatric patients. Both sides of the chestpiece have single-piece diaphragms that are easy to remove and clean, while the pediatric side of the chestpiece easily converts to a traditional open bell by removing the tunable diaphragm and replacing it with the included non-chill bell sleeve. Listen to, identify, and diagnose even the most subtle body sounds through the power of tunable diaphragm technology. Simply hold the chestpiece with light pressure to hear low-frequency sounds and increase pressure incrementally to hear higher-frequency sounds. Dual-lumen tubing combines two sounds paths in one tube, eliminating the rubbing noise that traditional double tubes create. Stain-resistant, durable, and designed for the healthcare environment — choose the 3M™ Littmann® Cardiology IV™ Diagnostic Stethoscope.


Suggested Applications

  • Useful in critical care and challenging environments such as the ED, ICU, Cardiac ICU, step-down unit, and other dynamic locations
Binaural Construction
Double Lumen
3M™ Littmann® Stethoscopes
Chestpiece Finish
Machined stainless steel
Chestpiece Technology
Double Sided
Chestpiece Weight
3.1 oz
Chestpiece Weight (metric)
87 g
Diaphragm Diameter (Imperial)
1.7 in
Diaphragm Diameter (metric)
4.3 cm
Diaphragm Material
Headset Material
Wide diameter aerospace alloy / Anodized aluminum
Cardiology IV™
Overall Diameter (Imperial)
1.7 in
Overall Length (Imperial)
27 in
Overall Length (Metric)
69 cm
Small Diaphragm Diameter
1.3 in
Small Diaphragm Diameter (metric)
3.3 cm
Special Adaptors
Tube Colour
Caribbean Blue
Warranty Period
7 Years

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