U01.20.024 S4 Heart Sound Study this flashcard to understand the timing, mechanism, and pathologic associations of the S4 heart sound, focusing on hypertrophic and stiff ventricles for USMLE Step 1.

Recognize S4 as a late diastolic sound from a stiff ventricle. #S4HeartSound #Cardiology #USMLE #MedicalEducation #HeartSounds #InternalMedicine