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Heart Sounds & Murmurs
Techniques: Heart Sounds & MurmursMurmurs (general) | Systolic | Diastolic
Due to structural cardiac abnormality
Due to structural cardiac abnormality and increased flow
Due to increased flow
Analyze the murmur for
Diastolic murmurs are classified as:
Early diastolic murmur
Where it is best heard and where it radiates to
High pitched, often faint, puffing, blowing quality
Can be high-pitched or low-pitched, often faint, blowing decrescendo.
Low-pitched, rumbling murmur heard throughout diastole: a whispered letter "r".Best heard if the patient is rolled onto left side with stethoscope bell at apex.
Rumbling murmur, increases with inspiration
Increases with inspiration
Sometimes best heard if the patient is made to site up, lean forward and breathe out fully while the stethoscope at the left side of the lower part of the sternum.
Best heard as the patient is rolled onto left side with stethoscope bell at apex. Better heard after exercise.
Aortic regurgitation (aortic insufficiency)
Defective closure of the aortic valve with blood return from the aorta to the LV during diastole
Chronic aortic regurgitation