Heart murmurs

Systolic ejection murmurs

Inocent murmurs

Begin with ejection (after closure of the relevant AV valve) and end before closure of the relevant semilunar (aortic, pulmonic) valve.
Audible during ejection of blood across aortic and pulmonic valves.
Start after S1 and end before S2, classically with crescendo/decrescendo quality described as “diamond shaped”.
Virtually all ejection murmurs not due to significant valvular obstruction occur during the first portion of systole.
Grade II or less
No cardiorespiratory symptoms
Otherwise normal cardiovascular examination