Differential Diagnosis Functional/innocent murmurs(normal) Physiologic murmurs(due to an abnormality of flow not of primary cardiac origin Pathology murmurs(due to an abnormality of primary cardiac origin)Differential Diagnosis ◼ Functional/innocent murmurs (normal) ◼ Physiologic murmurs (due to an abnormality of flow not of primary cardiac origin ◼ Pathology murmurs (due to an abnormality of primary cardiac origin)