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Early systolic murmur

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Listen for: A murmur that begins with S1 and fades away by mid-systole. The second half of systole and S2 are clear.

Usually means: Seen with a small ventricular septal defect, or acute mitral or tricuspid regurgitation.

14 recordings of this finding. Compare with normal heart sounds to hear the difference.

References2
  1. Bickley LS, Szilagyi PG, Hoffman RM, Soriano RP. Bates' Guide to Physical Examination and History Taking. 13th ed. Philadelphia: Wolters Kluwer; 2021. Cardiovascular system chapter.
  2. Etchells E, Bell C, Robb K. Does this patient have an abnormal systolic murmur? JAMA. 1997;277(7):564-71.