Latest Posts

Cardiology Jul 24, 2026

Do You Need a Bell on Your Stethoscope?

You'll find the heart rate without a bell. It's the faint low sounds, the ones that change the plan of care, that make a dedicated bell worth carrying.

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Cardiology Feb 25, 2026

Stethoscopes and Hearing Loss: What Every Clinician Needs to Know About Auscultation with Hearing Aids

Hearing aids are built for speech, not stethoscopes. With heart sounds sitting between 20 and 140 Hz and most hearing aids starting at 200 Hz, clinicians with hearing loss face...

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Cardiology Jan 30, 2026

Where to Listen to Heart Sounds: A Guide to Cardiac Auscultation Landmarks

Master the 5 heart sound positions and understand what you're actually hearing. Learn the pathophysiology behind aortic, pulmonic, tricuspid, and mitral areas.

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Cardiology Dec 20, 2025

How to Take a Manual Blood Pressure

Learn the proper technique for manual blood pressure measurement. From positioning to Korotkoff sounds, master this essential clinical skill step-by-step.

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Cardiology Nov 21, 2025

Stethoscope Chest Piece and Diaphragm Guide

Stethoscope performance depends on how sound travels through the entire system: the chestpiece, the diaphragm, the rim, the tubing, and the patient’s anatomy. This research-based overview explains how bells, diaphragms,...

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Cardiology Sep 06, 2025

Beyond Lub-Dub: Stethoscopes Tells the Whole Story

Beyond “lub-dub”: how S3 and S4 reveal volume overload and ventricular stiffness. Bell vs pressure technique and why stethoscope quality changes care.

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