Complex sentence: It is difficult to arrive at an accurate diagnosis of akathisia as it is easily misdiagnosed as a psychiatric disorder; even an experienced clinician may have difficulty distinguishing akathisia from the symptoms of similar disorders.
Split into simpler sentences: It is difficult to arrive at an accurate diagnosis of akathisia as it is easily misdiagnosed as a psychiatric disorder. Even an experienced clinician may have difficulty distinguishing akathisia from the symptoms of similar disorders.