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Mid-systolic murmur

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Listen for: Starts a moment after S1, swells and fades (a "diamond"), and ends before S2. The small gap after S1 is the clue.

Usually means: Ejection murmur: blood flowing out across the aortic or pulmonary valve, as in aortic stenosis, pulmonary stenosis or a flow murmur.

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.