A<unk>  begins in systole and continues into diastole.  They are caused by blood flow from high pressure chambers into low pressure chambers.  The most common causes of<unk> s are patent ductus arteriosus, arteriovenous fistula and arterial stenosis.
Continuous murmur
Austin Flint murmur
Functional murmur
Irregular pulse
Still's murmur
Irregularly irregular pulse
Diastolic heart murmur
Muffled heart sounds