S1 S2 Lub Dub |top| γ2026γ
π S1, S2, Lub, Dub: The Foundation of Heart Auscultation
Let's break it down:
"LUB" = valves close, blood goes out "DUB" = valves snap, blood fills back in When to worry: Muffled sounds, extra sounds (S3, S4), or irregular rhythms always warrant a closer look. Hashtags: #Cardiology #NursingSchool #HeartSounds #MedEd #Auscultation #LubDub s1 s2 lub dub