This is a loud murmur early in systole. It has a diamond shaped appearance when viewed on the Waveform tab.
The murmur is characterized by regular vibrations which give the murmur a musical quality ("cooing"). It is caused by turbulent blood flow into the aorta.
S1 and S2 are normal. Diastole is silent.
After reviewing the sound, use the waveform and anatomy tabs for more information about this sound.