STOP Confusing S3 & S4 heart sounds | MCQ of the Day episode 12 | USMLE / NEET-PG
Автор: Pursuit of Medicine
Загружено: 2025-11-20
Просмотров: 17
In today’s MCQ of the Day, we break down one of the most commonly confused topics in cardiology — S3 vs S4 heart sounds.
Using a clinical vignette, we understand when you hear S3, when you hear S4, and the real-world physiology behind them.
This video is perfect for MBBS students, USMLE Step 2 CK, NEET-PG aspirants, and medical interns on wards.
What you’ll learn
✔️ When S3 occurs (volume overload & dilated ventricle)
✔️ When S4 occurs (pressure overload & stiff ventricle)
✔️ Murmur association example using Aortic Stenosis vs Mitral Regurgitation
✔️ One-line trick that helps you never forget again
MCQ Covered
Cardiology NBME-style question on S3 vs S4
Clinical reasoning + exam strategy
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