http://www.ophthodeck.com Online ophthalmology flashcards Wed, 25 Jun 2008 23:46:23 +0000 http://backend.userland.com/rss092 en VKH involves the choroid and retina, while sympathetic spares the choriocapillaris. One mneumonic is: "Sympathetic Spares" This point is occasionally tested, however, the difference may be false. Eyes with sympathetic ophthalmia tend to be enucleated earlier and may not have had time to involve all levels of the choroid. http://www.ophthodeck.com/cards/228 Between Bruch’s and RPE. http://www.ophthodeck.com/cards/227 DR4. However, this is not helpful for making a diagnosis. DR4 is also associated with sympathetic ophthalmia. http://www.ophthodeck.com/cards/226 There is no good test, but symptoms can point you in the right direction. Early on these pateints have CNS findings, tinnitus, headaches, menengial signs, and fever. This is followed by skin and hair findings. Ocular findings include a cherry red disk, exudative detachments (with the fluid ... http://www.ophthodeck.com/cards/225 High-dose steroids while waiting for more effective treatments like the TNF inhibitor like Remicade/ infliximab. http://www.ophthodeck.com/cards/224 You can check for HLA-B5. Not many perform the classic pathergy test ... where you inject saline under the skin and have the patient return the next day to check for a blister. http://www.ophthodeck.com/cards/223 The treatment of choice is Spiramycin, a macrolide which is not actually available in US but available in France and on boards. Remember that you only transmit newly acquired disease to fetus, not reactivation. Also, remember that you can’t use pyrimethamine in pregmant or lactating women. Always ... http://www.ophthodeck.com/cards/222 There are no definite treatments, as there are several ways to do this. For example, you can treat with: - pyrimethamine (note that you need to supplement with FOLINIC acid … not folic acid) - sulfadiazine (pts can become photosensitive and develop Stevens Johnson) - clindamycin (C. Dif) - then give ... http://www.ophthodeck.com/cards/221 North Carolina macular dystrophy has impressive macular findings that can look like toxoplasmosis. However, unlike a toxo scar, these patients have pretty good vision, no cells, and a family history. http://www.ophthodeck.com/cards/220 Toxoplasmosis is the most common cause with a rate of 25 to 30% of the time. IF you have a posterior uveitis, and aren’t sure of the diagnosis, then toxo is a good guess. http://www.ophthodeck.com/cards/219