The 3M™ Littmann® Cardiology IV™ Stethoscope delivers exceptional acoustic performance, versatility, and comfort for today’s healthcare professionals. Designed for cardiologists, physicians, nurses, and medical students, it features dual tunable diaphragms, dual-lumen tubing, and a distinctive chalice-shaped chestpiece for precise sound capture. Lightweight yet powerful, the Cardiology IV lets you hear subtle heart, lung, and body sounds with clarity, helping you diagnose and make decisions with confidence.

Key Features at a Glance

• Chalice-shaped chestpiece with dual tunable diaphragms for adult and pediatric assessments
• Tunable diaphragm technology: light pressure for low-frequency sounds, firm pressure for high-frequency sounds
• Pediatric side converts to an open bell with the included non-chill bell sleeve
• Dual-lumen tubing combines two sound paths into one, eliminating tube-rub noise
• Next-generation tubing resists stains, skin oils, and alcohol for long-lasting durability
• Angled headset with easily adjustable tension aligns with ear canals for comfort and fit
• More than twice as loud as comparable stethoscopes—hear critical low-frequency sounds with greater reliability
• Lightweight design reduces strain during extended use
• Includes non-chill bell sleeve for patient comfort
• Backed by a 7-year warranty

Why Choose the Littmann Cardiology IV Stethoscope?

The 3M™ Littmann® Cardiology IV™ Stethoscope is the trusted choice for clinicians who demand superior sound quality, versatility, and durability. Whether in cardiology, internal medicine, pediatrics, or general practice, the Cardiology IV delivers the performance you need to confidently assess, diagnose, and treat patients including:

Outstanding Acoustic Performance
Engineered to be more than twice as loud as leading competitors, the Cardiology IV amplifies critical low-frequency sounds such as Korotkoff sounds, Mitral Stenosis, and S3/S4 gallops, ensuring no detail is missed.

Versatile Dual-Sided Chestpiece
The distinctive chalice-shaped chestpiece features tunable diaphragms on both adult and pediatric sides. Convert the pediatric side into a traditional open bell by swapping the diaphragm for the included non-chill rim.

Tunable Diaphragm Technology
Switch seamlessly between low- and high-frequency sounds by simply adjusting chestpiece pressure, eliminating the need to reposition during exams.

Durable Dual-Lumen Tubing
Combines two sound paths into a single tube, eliminating the interference of rubbing noises while maintaining superior sound quality.

Built for Clinical Demands
Next-generation tubing resists stains and is designed to withstand the harsh conditions of daily clinical use, maintaining shape and flexibility over time.

Comfort for Long Shifts
The lightweight design, angled eartubes, and soft-sealing eartips provide a secure acoustic seal and long-wearing comfort.

Specifications

• Binaural Construction: Double lumen
• Chestpiece Finish: High Polish, Rainbow
• Chestpiece Technology: Double-Sided
• Chestpiece Weight: 3.1 Ounce (87 g)
• Diameter: 1.7" (4.3 cm)
• Diaphragm Diameter: 1.7" (4.3 cm)
• Diaphragm Material: Epoxy/Fiberglass
• Headset Material: Wide diameter aerospace alloy / anodized aluminum
• Net Weight: 0.39 lb (177 g)
• Length: 27" (69 cm)
• Performance: 9
• Small Diaphragm Diameter: 1.3" (3.3 cm)
• Tube Colour: Raspberry
• Warranty: 7 years