Differential Diagnosis Functional /innocent murmurs(normal) Physiologic murmurs due to an abnormality of flow not of primary cardlac origin a 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)