Show pageOld revisionsBacklinksBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. {{tag>ddx ERG}} ====== Electronegative ERG ====== * Loss of "b" wave in a dark adapted mixed rod-cone response <WRAP round box 60%> {{::erg.jpeg|}} \\ [[https://eyewiki.org/Electroretinogram|from AAO EyeWiki ERG]] </WRAP> ==== Possible Causes ==== * CSNB (Oguchi’s) * CRVO / acute CRAO * [[linked_retinoschisis|X-linked retinoschisis]] * Siderosis * Myotonic dystrophy * Duschenne muscular dystrophy * [[batten_disease|Batten disease]] * Quinine toxicity / methanol toxicity * MAR (melanoma-associated retinopathy / CAR (cancer-associated retinopathy) * Retinoschisis ddx erg