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What’s a Lub Dub? Heart Sounds Explained!
In this quick heart sound breakdown, learn how S1 and S2 (that classic “lub-dub”) relate to mitral and aortic valve closure—and what that tells you about heart health. Perfect for nurses, med students, EMTs, and anyone reviewing for ACLS or cardiac assessments. 🎧 Hear the difference. Boost your cardiac confidence. #heartsounds # ...
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