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